CN211776705U - Door brace device applied to cabinet door - Google Patents

Abstract

The utility model relates to a door brace device applied on a cabinet door, which is characterized by comprising a positioning seat, an elastic jacking mechanism, a swing arm, a swing rod and an upper buffering component, wherein the elastic jacking mechanism comprises an elastic telescopic component and a jacking rod, the elastic telescopic component is hinged on the positioning seat, the jacking rod is hinged on the positioning seat, and the jacking rod is hinged with the elastic telescopic component; the middle part of the swing arm is hinged with the positioning seat, the swing arm is pressed on the top pressure rod, and a top pressure convex part is arranged on the swing arm; the swing rod is connected with the swing arm; the upper buffering assembly comprises an upper damper and an upper jacking pressing block, the upper jacking pressing block can be transversely arranged on the positioning seat in a sliding mode, and the upper damper is arranged on the upper jacking pressing block. The utility model discloses can play the spacing effect of elasticity, and can effectively reduce noise and vibrations when the cabinet door is opened, this can not only reduce the influence to user's life, can also improve the life of cupboard, and this door brace device still has advantages such as simple structure, reliability height, long service life.

Description

Door brace device applied to cabinet door

Technical Field

The utility model relates to a cabinet door accessory field, especially an use door brace device on cabinet door.

Background

At present, a plurality of cabinet doors adopt the cabinet door to prop the device and realize turning up and open the function. Although current cabinet door props the device and can make the cabinet door realize turning up and open the function, nevertheless current cabinet door props the device and still exists not enoughly: the existing cabinet door support device cannot play a role in buffering when the cabinet door is opened to the maximum; therefore, the cabinet door and the cabinet body are easy to collide, so that large noise is generated, and the life of people is influenced; and in addition, the service life of the cabinet is easily influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem and not enough, provide an use door brace device on cabinet door, this door brace device can play the spacing effect of elasticity, and can effectively reduce noise and vibrations when the cabinet door is opened, and this influence that can not only reduce user's life can also improve the life of cupboard, and this door brace device still has advantages such as simple structure, reliability height, long service life.

The technical scheme of the utility model is realized like this:

a door brace device applied to a cabinet door is characterized by comprising a positioning seat, an elastic jacking mechanism, a swing arm, a swing rod and an upper buffering assembly, wherein the elastic jacking mechanism comprises an elastic telescopic assembly and a jacking rod, the elastic telescopic assembly is transversely arranged, the left end of the elastic telescopic assembly is hinged to the positioning seat, the elastic telescopic assembly and the hinged center line of the positioning seat longitudinally extend, the jacking rod is vertically arranged, the upper end of the jacking rod is hinged to the positioning seat, the jacking rod and the hinged center line of the positioning seat longitudinally extend, the lower end of the jacking rod is hinged to the right end of the elastic telescopic assembly, and the jacking rod and the hinged center line of the elastic telescopic assembly longitudinally extend; the middle part of the swing arm is hinged to the positioning seat, the swing arm and the hinge center line of the positioning seat longitudinally extend, the swing arm is positioned on the right side of the jacking rod, one end of the swing arm is positioned on the left lower side of the hinge center line of the swing arm, one end of the swing arm is jacked on the right surface of the jacking rod, and a jacking convex part is arranged on the top surface of the other end of the swing arm; the swing rod is arranged on the right side of the positioning seat, and the left end of the swing rod is connected with the other end of the swing arm; the upper buffer assembly comprises an upper damper and an upper jacking pressing block, the upper jacking pressing block can be transversely slidably arranged on the positioning seat, the jacking convex part is jacked on the right wall of the upper jacking pressing block, the upper damper is transversely arranged on the upper jacking pressing block in an extending mode, and the left end of the upper damper is jacked on the positioning seat.

Preferably, the door brace device applied to the cabinet door further comprises a lower buffer assembly, the lower buffer assembly comprises a lower damper, a buffer spring and a lower jacking pressing block, the lower damper is transversely arranged on the positioning seat in an extending manner, the movable end of the lower damper faces the right, the lower damper is positioned below the elastic telescopic assembly, the lower jacking pressing block can be transversely arranged on the positioning seat in a sliding manner, the lower jacking pressing block is positioned on the right side of the lower damper and pressed on the movable end of the lower damper, and when the other end of the swinging arm swings downwards, the other end of the swinging arm collides with the right end of the lower jacking pressing block, the buffer spring is sleeved on the movable end of the lower damper, and the two ends of the buffer spring are respectively elastically jacked on the positioning seat and the lower jacking pressing block.

Preferably, be equipped with two spacing axles that are about being arranged side by side on the positioning seat to make two spacing axles all be longitudinal extension, still make two spacing axles all be located the right side of attenuator down, set up two waist shape holes of arranging side by side about on the briquetting down, and make the length direction in the radial cross-section in two waist shape holes be horizontal extension, still make two waist shape hole one-to-one slip suit on two spacing axles.

Preferably, the elastic telescopic assembly comprises a left block body, a right block body, a top pressure spring and a guide rod, the left block body and the right block body are arranged side by side in a left-right mode, one end of the guide rod is fixed on the left block body, the other end of the guide rod is movably inserted on the right block body, two ends of the top pressure spring are respectively embedded on the left block body and the right block body, the left end of the left block body is hinged to the positioning seat, and the right end of the right block body is hinged to the top pressure rod.

Preferably, use the door brace device on the cabinet door still includes adjusting part, adjusting part includes lead screw, sliding block, the lead screw can set up on the positioning seat with rotating, the sliding block slides and sets up on the positioning seat to make sliding block and lead screw looks spiro union, still when rotating the lead screw, enable the sliding block to slide on the positioning seat, the left end of left side block articulates on the sliding block.

Preferably, the sliding block is provided with a convex shaft part, the left end of the left block body is provided with a C-shaped clamping groove, and the left block body can be rotatably clamped on the convex shaft part through the C-shaped clamping groove.

Preferably, the end portion of the screw rod is provided with an end tooth portion, the positioning seat is provided with an adjusting nail which is longitudinally arranged, the rear end portion of the adjusting nail is provided with a bevel tooth portion, and the bevel tooth portion is meshed with the end tooth portion.

Preferably, the door brace device applied to the cabinet door further comprises an expansion mechanism, the expansion mechanism comprises an expansion rod, a locking assembly and a fixed seat body, one end of the expansion rod is telescopically inserted into the end face of the other end of the swing rod, the locking assembly is arranged on the swing rod and enables the locking assembly to be locked on the expansion rod, and the fixed seat body is hinged to the other end of the expansion rod.

Preferably, the locking assembly comprises a sleeving part, a jacking arm and a limiting pressing block, an insertion hole is formed in the end face of the right end of the oscillating rod, a abdicating hole penetrating through the insertion hole is formed in the bottom face of the right end of the oscillating rod, a sleeving hole is formed in the sleeving part, a limiting hole penetrating through the sleeving hole is formed in the bottom face of the sleeving part, the limiting pressing block can be vertically and movably embedded in the limiting hole, the jacking arm is arranged below the limiting pressing block, the right end of the jacking arm is hinged to the bottom of the sleeving part, the hinge center line of the jacking arm longitudinally extends, a jacking protrusion is arranged on the top face of the right end of the jacking arm and abuts against the bottom face of the limiting pressing block, the sleeving part is sleeved on the right end of the oscillating rod, the upper portion of the limiting pressing block penetrates through the abdicating hole and then is placed in the insertion hole, one end of the expansion rod is movably inserted in the insertion hole, and the limiting pressing block is tightly pressed on the extension rod.

Preferably, the fixed base body comprises a fixed seat, a switching block and an adjusting screw rod, the switching block can be vertically slidably arranged on the fixed seat, the adjusting screw rod is vertically arranged on the fixed seat, the switching block is in threaded connection with the adjusting screw rod, the other end of the expansion rod is hinged to the switching block, and the expansion rod and the hinged center line of the switching block extend longitudinally.

The utility model has the advantages that: the utility model discloses a door props device includes positioning seat, elasticity roof pressure mechanism, swing arm, swinging arms, goes up buffering subassembly. Through the setting of elasticity roof pressure mechanism, can play the spacing effect of elasticity to the swing arm, can not only guarantee the smooth and easy nature of switch door like this, can also improve the reliability of cabinet door location. Because the elastic jacking mechanism comprises the elastic telescopic component and the jacking rod, the structure of the elastic jacking mechanism is very simple, and the assembly structure design can play a very good elastic limiting effect on the swing arm, so that the accuracy and the stability of the positioning of the swing arm are improved, and the reliability of the door brace device is improved. The upper buffer component comprises an upper damper and an upper jacking pressing block, the upper jacking pressing block is transversely arranged on the positioning seat in a sliding manner, the upper damper is transversely arranged on the upper jacking pressing block, and the left end of the upper damper enables the upper damper to be jacked on the positioning seat; in addition, the jacking convex part on the swing arm can jack the right wall of the upper jacking pressing block, so that when the cabinet door is opened to the maximum, the swing arm can be elastically limited and buffered through the upper buffering component, noise and vibration during door opening can be greatly reduced, the service life of the cabinet is prolonged, and influence on life of a user can be reduced. Meanwhile, the integral structure of the door bracing device is very simple and reliable, so that the door bracing device can be very conveniently manufactured, and the service life of the door bracing device is long.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is an enlarged schematic structural view of a portion a in fig. 2 according to the present invention.

Fig. 4 is one of the partial structural schematic diagrams of the present invention.

Fig. 5 is a second partial schematic structural diagram of the present invention.

Fig. 6 is a schematic structural view of the middle and upper cushion assembly of the present invention.

Fig. 7 is a schematic structural view of the middle and lower cushion assembly of the present invention.

Fig. 8 is a schematic perspective view of the locking assembly of the present invention.

Fig. 9 is a schematic cross-sectional view of the locking assembly of the present invention.

Fig. 10 is an enlarged schematic structural view of a portion B in fig. 9 according to the present invention.

Fig. 11 is a schematic perspective view of the middle fixing base of the present invention.

Fig. 12 is a schematic view of the detachable structure of the middle fixing base of the present invention.

Fig. 13 is a schematic perspective view of the transfer block of the present invention.

Fig. 14 is a schematic structural diagram of the adjusting assembly of the present invention.

Fig. 15 is the assembly structure diagram of the middle screw rod and the sliding block of the present invention.

Fig. 16 is a schematic structural view of the middle elastic expansion assembly of the present invention.

Detailed Description

It should be noted that all the directional indicators (such as the top surface, the bottom surface, the left, the right, the front, and the rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 and fig. 2, the door brace device applied to the cabinet door of the present invention comprises a positioning seat 1, an elastic pressing mechanism 2, a swing arm 3, a swing rod 4, and an upper buffer assembly 5, as shown in fig. 2, 4 and 5, the elastic pressing mechanism 2 includes an elastic expansion assembly 21 and a pressing rod 22, the elastic expansion assembly 21 is transversely arranged, the left end of the elastic telescopic component 21 is hinged on the positioning seat 1, the hinged central line of the elastic telescopic component 21 and the positioning seat 1 extends longitudinally, the top pressure rod 22 is arranged vertically, the upper end of the top pressure rod 22 is hinged on the positioning seat 1, the top pressure rod 22 and the hinged central line of the positioning seat 1 are longitudinally extended, the lower end of the top pressure rod 22 is hinged with the right end of the elastic telescopic component 21, and the hinged central line of the top pressure rod 22 and the elastic telescopic component 21 longitudinally extends; as shown in fig. 2, 4 and 5, the middle part of the swing arm 3 is hinged to the positioning seat 1, and the swing arm 3 extends longitudinally with respect to the hinge center line of the positioning seat 1, the swing arm 3 is located on the right side of the pressing rod 22, and one end of the swing arm 3 is located on the left lower side of the hinge center line of the swing arm 3, one end of the swing arm 3 presses against the right surface of the pressing rod 22, and the top surface of the other end of the swing arm 3 is provided with a pressing convex part 31; as shown in fig. 2, 4 and 5, the swing rod 4 is arranged at the right side of the positioning seat 1, and the left end of the swing rod 4 is connected with the other end of the swing arm 3; as shown in fig. 2, 4 to 6, the upper cushion assembly 5 includes an upper damper 51 and an upper abutting block 52, the upper abutting block 52 is transversely slidably disposed on the positioning socket 1, and the abutting convex portion 31 abuts against a right wall of the upper abutting block 52, the upper damper 51 is transversely extended and disposed on the upper abutting block 52, and a left end of the upper damper 51 abuts against the positioning socket 1. The utility model discloses a door props device includes positioning seat 1, elasticity roof pressure mechanism 2, swing arm 3, swinging arms 4, goes up buffering subassembly 5. Through the setting of elasticity top pressure mechanism 2, can play the spacing effect of elasticity to swing arm 3, can not only guarantee the smooth and easy nature of switch door like this, can also improve the reliability of cabinet door location. Because the elastic jacking mechanism 2 comprises the elastic telescopic component 21 and the jacking rod 22, the structure of the elastic jacking mechanism 2 is very simple, and the assembly structure design can play a very good elastic limiting effect on the swing arm 3, so that the accuracy and the stability of the positioning of the swing arm 3 are improved, and the reliability of the door bracing device is improved. Because the upper buffering component 5 comprises an upper damper 51 and an upper top pressing block 52, the upper top pressing block 52 is transversely slidably arranged on the positioning seat 1, the upper damper 51 is transversely arranged on the upper top pressing block 52, and the left end of the upper damper 51 is pressed against the positioning seat 1; in addition, the jacking convex part 31 on the swing arm 3 can be jacked on the right wall of the upper jacking block 52, so that when the cabinet door is opened to the maximum, the upper buffering component 5 plays an elastic limiting buffering role on the swing arm 3, the noise and the vibration during door opening can be greatly reduced, the service life of the cabinet is prolonged, and the influence on the life of a user can be reduced. Meanwhile, the integral structure of the door bracing device is very simple and reliable, so that the door bracing device can be very conveniently manufactured, and the service life of the door bracing device is long.

When the door bracing device is used, the positioning seat 1 is fixed on the cabinet body, and the swinging rod 4 is hinged with the cabinet door.

As shown in fig. 2 to 6, the positioning seat 1 is provided with a transversely extending limiting rib 11, the top surface of the upper jacking block 52 is in contact with the lower surface of the limiting rib 11, the positioning seat 1 is further provided with a limiting convex block 12, the limiting convex block 12 is left of the upper jacking block 52, the left end of the upper damper 51 is pushed against the limiting convex block 12, the upper jacking block 52 is provided with a longitudinally penetrating guide hole 521, the radial section of the guide hole 521 is waist-shaped, the length direction of the radial section of the guide hole 521 is transversely extended, the positioning seat 1 is provided with a hinge shaft 13, the guide hole 521 is slidably sleeved on the hinge shaft 13, the upper end of the jacking rod 22 is rotatably sleeved on the hinge shaft 13, the jacking rod 22 is positioned at the front side of the upper jacking block 52, the positioning seat 1 is provided with a longitudinally arranged limiting rod 14, and the limiting rod 14 is in contact with the bottom surface of the upper jacking block 52, the positioning seat 1 is provided with a reinforcing stop block 15, the reinforcing stop block 15 is positioned at the right side of the upper pressing block 52, the right surface of the upper pressing block 52 can movably press against the reinforcing stop block 15, and when the other end of the swinging arm 3 swings upwards, the other end of the swinging arm 3 can press against the lower surface of the reinforcing stop block 15. Through such structural design, help improving the accuracy and the stability of top briquetting 52 lateral shifting, and can also improve the spacing reliability of swing arm 3 like this to help further improving the reliability and the life of door brace device.

As shown in fig. 3 and 6, a limit groove hole 522 is formed on the left surface of the upper press block 52, the right end of the cylinder body of the upper damper 51 is fitted into the limit groove hole 522, the movable end of the upper damper 51 is pressed against the bottom of the limit groove hole 522, and the left end of the cylinder body of the upper damper 51 is pressed against the limit boss 12. The structural design can improve the stability and reliability of the limiting function of the upper damper 51.

As shown in fig. 3 and 6, an abdicating groove 523 is formed in the front wall of the upper pressing block 52, the abdicating groove 523 vertically extends to the lower surface of the upper pressing block 52, the guide hole 521 is formed at the bottom of the abdicating groove 523, and the upper end of the pressing rod 22 is disposed in the abdicating groove 523. The structural design can reduce the thickness of the door brace device in the longitudinal direction, thus being beneficial to the adaptation range of the bar door brace device.

As shown in fig. 2, 4 and 5, the lower end of the swing arm 3 is provided with a contact roller 32, and the center line of rotation of the contact roller 32 is made to extend in the longitudinal direction, and the circumferential surface of the contact roller 32 is pressed against the right surface of the pressing rod 22. This reduces the friction between the swing arm 3 and the pressing rod 22, thereby further improving the smoothness of opening and closing the cabinet door.

As shown in fig. 5, the oscillating arm 3 has an arc shape.

As shown in fig. 2 and fig. 3, the positioning seat 1 is formed by stamping a metal plate, and the limiting flange 11 and the limiting convex block 12 are formed by partially stamping and deforming the positioning seat 1.

As shown in fig. 2, 4 and 7, the door stay device applied to the cabinet door further includes a lower buffer assembly 6, the lower buffer assembly 6 comprises a lower damper 61, a buffer spring 62 and a lower top pressing block 63, the lower damper 61 is transversely arranged on the positioning seat 1 in an extending manner, the movable end 611 of the lower damper 61 faces to the right, the lower damper 61 is positioned below the elastic telescopic assembly 21, the lower pressing block 63 is transversely and slidably arranged on the positioning seat 1, and the downward pressing block 63 is positioned at the right side of the lower damper 61, and the downward pressing block 63 is pressed on the movable end 611 of the lower damper 61, and when the other end of the swing arm 3 swings downward, the other end of the swing arm 3 can collide with the right end of the lower pressing block 63, the buffer spring 62 is sleeved on the movable end 611 of the lower damper 61, and the two ends of the buffer spring 62 are respectively elastically pressed on the positioning seat 1 and the lower pressing block 63. Since the lower cushion assembly 6 includes the lower damper 61, the cushion spring 62, and the hold-down block 63, and can collide with the right end of the hold-down block 63 when the other end of the swing arm 3 swings downward after being mounted in the above-described manner; at this time, the lower damper 61 and the buffer spring 62 are compressed, and accordingly, the effects of buffering, shock absorption and noise reduction can be achieved through the lower damper 61 and the buffer spring 62; when swing arm 3 downswing like this, when closing the cabinet door promptly, can avoid cabinet door and the cabinet body to take place rigid collision, through the setting of lower buffer assembly 6, can not only reduce the noise of closing the door like this, still help improving the life of cupboard.

As shown in fig. 2, 4 and 7, two limiting shafts 64 arranged side by side left and right are arranged on the positioning seat 1, the two limiting shafts 64 are longitudinally extended, the two limiting shafts 64 are also located on the right side of the lower damper 61, two waist-shaped holes 631 arranged side by side left and right are formed in the lower pressing block 63, the length direction of the radial cross section of the two waist-shaped holes 631 is transversely extended, and the two waist-shaped holes 631 are slidably sleeved on the two limiting shafts 64 in a one-to-one correspondence manner. Through such structural design, can play fine spacing guide effect to pushing down briquetting 63, and such spacing guide structure is very simple reliability, helps improving the accuracy and the stability of pushing down briquetting 63 lateral shifting.

As shown in fig. 2, 4 and 7, the positioning base 1 is provided with a positioning block 65, the positioning block 65 is positioned below the elastic expansion/contraction member 21, a fitting hole 651 is formed in a right surface of the positioning block 65, and the cylinder body of the lower damper 61 is fitted in the fitting hole 651. Through the setting of locating piece 65, can improve the accuracy and the convenience of damper 61 installation location down effectively to help improving the convenience that damper 61 maintained down, and damper 61 adopts such mounting structure location also very reliable down.

As shown in fig. 2, 4, 5 and 16, the elastic telescopic assembly 21 includes a left block 211, a right block 212, a top pressure spring 213 and a guide rod 214, the left block 211 and the right block 212 are arranged side by side left and right, one end of the guide rod 214 is fixed on the left block 211, the other end of the guide rod 214 is movably inserted on the right block 212, two ends of the top pressure spring 213 are respectively embedded on the left block 211 and the right block 212, the left end of the left block 211 is hinged to the positioning seat 1, and the right end of the right block 212 is hinged to the top pressure rod 22. The structure of the elastic telescopic assembly 21 is very simple and reliable.

As shown in fig. 2, 4, 5 and 16, in the actual manufacturing process, a plurality of top pressure springs 213 and a plurality of guide rods 214 may be provided.

As shown in fig. 2, 4, 5 and 16, in order to enhance the reliability of the attachment and fixation of the guide rod 214, a through hole 201 is formed in the outer wall of the left block 211, the through hole is inserted into the guide rod 214, and then the guide rod 214 is welded to the hole wall of the through hole 201. The guide rod 214 can be conveniently welded and fixed through the through hole 201, so that the reliability of installation and fixation of the guide rod 214 can be improved.

As shown in fig. 2, 4, 5 and 16, the reinforcing rod 215 is disposed on the left block 211, and the reinforcing rod 215 is inserted into the top pressure spring 213, and the end of the reinforcing rod 215 is inserted into the right block 212. This further increases the reliability of the spring biasing means 2.

As shown in fig. 4 and 14, the door brace device applied to the cabinet door further includes an adjusting assembly 23, the adjusting assembly 23 includes a screw rod 231 and a sliding block 232, the screw rod 231 is rotatably disposed on the positioning seat 1, the sliding block 232 is slidably disposed on the positioning seat 1, the sliding block 232 is screwed with the screw rod 231, when the screw rod 231 is rotated, the sliding block 232 can slide on the positioning seat 1, and the left end of the left block 211 is hinged to the sliding block 232. Since the adjusting assembly 23 includes the screw rod 231 and the sliding block 232, and the sliding block 232 can be driven to slide by rotating the screw rod 231; because left block 211 articulates on sliding block 232 again, so at sliding block 232 slip in-process, will drive left block 211 and remove together to just can play the purpose of adjusting the flexible subassembly 21 left end, and then just can play the purpose of adjusting the elastic force of flexible subassembly 21 elasticity effect on roof pressure pole 22, this just can be indirect the thrust that just can adjust swing arm 3 promotion roof pressure pole 22 big, just so can play the purpose of adjusting cabinet door switch dynamics size.

As shown in fig. 2, the screw 231 is attached to the positioning stand 1 so that one end thereof is inclined to the upper left of the other end thereof.

As shown in fig. 2, 4, 15 and 16, the sliding block 232 is provided with a protruding shaft portion 202, the left end of the left block body 211 is provided with a C-shaped slot 203, and the left block body 211 can be rotatably clamped on the protruding shaft portion 202 through the C-shaped slot 203. Such structural design can not only satisfy left block 211 and the articulated needs of sliding block 232, can improve the convenience that left block 211 and sliding block 232 are connected greatly again to help improving the convenience that the portal bracing device maintained.

As shown in fig. 2, 15 and 16, an end tooth portion 204 is provided at an end of the screw rod 231, an adjusting nail 205 is provided on the positioning seat 1 in a longitudinal arrangement, a conical tooth portion 206 is provided at a rear end of the adjusting nail 205, and the conical tooth portion 206 is engaged with the end tooth portion 204. This can facilitate the adjustment in the direction of the side of the door stay device, which can improve the convenience of the adjustment operation.

As shown in fig. 2, 4 and 14, a limiting block 16 is disposed on the positioning seat 1, a mounting cavity groove 161 is disposed on a right surface of the limiting block 16, an upper end and a lower end of the screw rod 231 can respectively rotatably penetrate through an upper cavity wall and a lower cavity wall of the mounting cavity groove 161, and the adjusting nail 205 is disposed on the limiting block 16. This contributes to improvement in the reliability of the mounting positioning of the lead screw 231.

As shown in fig. 1 and 2, the door brace device applied to the cabinet door further includes an expanding mechanism 7, the expanding mechanism 7 includes an expanding rod 71, a locking component 72, and a fixed seat 73, one end of the expanding rod 71 is telescopically inserted into an end face of the other end of the swinging rod 4, the locking component 72 is disposed on the swinging rod 4, and enables the locking component 72 to be locked on the expanding rod 71, and the fixed seat 73 is hinged to the other end of the expanding rod 71. Because the extension rod 71 can be telescopically inserted on the swing rod 4, and the locking assembly 72 can be locked on the extension rod 71, the telescopic requirement of the extension rod 71 can be met, the locking requirement of the extension rod 71 can be met, and the door support device can meet the installation requirements of cabinet doors with different sizes, so that the application range of the door support device is favorably widened.

As shown in fig. 8 to 10, the locking assembly 72 includes a sleeving member 721, a pressing arm 722, and a limiting pressing block 723, the right end face of the swing rod 4 is provided with an insertion hole 41, the right end bottom face of the swing rod 4 is provided with a relief hole 42 penetrating through the insertion hole 41, the sleeving member 721 is provided with a sleeving hole 701, the bottom face of the sleeving member 721 is provided with a limiting hole 702 penetrating through the sleeving hole 701, the limiting pressing block 723 is vertically movably embedded in the limiting hole 702, the pressing arm 722 is disposed below the limiting pressing block 723, the right end of the pressing arm 722 is hinged to the bottom of the sleeving member 721, the hinge center line of the pressing arm 722 also extends longitudinally, the top face of the right end of the pressing arm 722 is provided with a pressing protrusion 703, the pressing protrusion 703 presses the bottom face of the limiting pressing block 723, the sleeving member 721 is sleeved on the right end of the swing rod 4, and the upper part of the limiting pressing block 723 passes through the abdicating hole 42 and then is placed in the insertion hole 41, one end of the expansion rod 71 is movably inserted in the insertion hole 41, and the limiting pressing block 723 is tightly pressed on the expansion rod 71. By adopting the structural design of the locking assembly 72, the expansion rod 71 can be well limited, so that the accuracy and the reliability of the positioning of the expansion rod 71 are improved; and the locking assembly 72 is also very convenient to operate, contributing to improved convenience of use.

As shown in fig. 9 and 10, a top surface of the limiting pressing block 723 is provided with a top pressing elastic sheet 724, a middle portion of the top pressing elastic sheet 724 is arched upward, a top surface of the middle portion of the top pressing elastic sheet 724 is provided with a friction protrusion 725, and the friction protrusion 725 is pressed against a bottom surface of the extension rod 71. This can further improve the reliability of the mounting positioning of the extension rod 71.

As shown in fig. 11 to 13, the fixed seat 73 includes a fixed seat 731, a transfer block 732, and an adjusting screw 733, the transfer block 732 is vertically slidably disposed on the fixed seat 731, the adjusting screw 733 is vertically disposed on the fixed seat 731, the transfer block 732 is screwed with the adjusting screw 733, the other end of the extension rod 71 is hinged with the transfer block 732, and a hinge center line of the extension rod 71 and the transfer block 732 extends in a longitudinal direction. Through such structural design, can satisfy the needs of adjusting, can not only compensate installation error like this, can also play fine regulation effect to improve the convenience that the cabinet door used, this application scope that helps improving the door brace device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides an use door brace device on cabinet door which characterized in that: comprises a positioning seat (1), an elastic jacking mechanism (2), a swing arm (3), a swing rod (4) and an upper buffer component (5), wherein the elastic top pressing mechanism (2) comprises an elastic telescopic component (21) and a top pressing rod (22), the elastic telescopic component (21) is transversely arranged, the left end of the elastic telescopic component (21) is hinged on the positioning seat (1), the hinged central line of the elastic telescopic component (21) and the positioning seat (1) longitudinally extends, the top pressure rod (22) is vertically arranged, the upper end of the top pressure rod (22) is hinged on the positioning seat (1), the top pressure rod (22) and the hinged central line of the positioning seat (1) are longitudinally extended, the lower end of the top pressure rod (22) is hinged with the right end of the elastic telescopic component (21), and the hinged central line of the top pressure rod (22) and the elastic telescopic component (21) longitudinally extends; the middle part of the swing arm (3) is hinged to the positioning seat (1), the swing arm (3) and the hinged center line of the positioning seat (1) longitudinally extend, the swing arm (3) is positioned on the right side of the jacking rod (22), one end of the swing arm (3) is positioned on the left lower side of the hinged center line of the swing arm (3), one end of the swing arm (3) is jacked on the right surface of the jacking rod (22), and a jacking convex part (31) is arranged on the top surface of the other end of the swing arm (3); the swing rod (4) is arranged on the right side of the positioning seat (1), and the left end of the swing rod (4) is connected with the other end of the swing arm (3); the upper buffering assembly (5) comprises an upper damper (51) and an upper jacking pressing block (52), the upper jacking pressing block (52) can be transversely slidably arranged on the positioning seat (1), the jacking convex part (31) is jacked on the right wall of the upper jacking pressing block (52), the upper damper (51) is transversely arranged on the upper jacking pressing block (52) in an extending mode, and the left end of the upper damper (51) is jacked on the positioning seat (1).

2. The door brace device applied to the cabinet door according to claim 1, wherein: the lower buffer assembly (6) comprises a lower damper (61), a buffer spring (62) and a lower pressing block (63), wherein the lower damper (61) is transversely arranged on the positioning seat (1) in an extending manner, the movable end (611) of the lower damper (61) faces to the right, the lower damper (61) is positioned below the elastic telescopic assembly (21), the lower pressing block (63) can be transversely arranged on the positioning seat (1) in a sliding manner, the lower pressing block (63) is positioned on the right side of the lower damper (61), the lower pressing block (63) is pressed on the movable end (611) of the lower damper (61), the other end of the swing arm (3) can collide with the right end of the lower pressing block (63) when swinging downwards, the buffer spring (62) is sleeved on the movable end (611) of the lower damper (61), and two ends of the buffer spring (62) are respectively elastically pressed on the positioning seat (1) and the lower pressing block (63).

3. The door brace device applied to the cabinet door as claimed in claim 2, wherein: be equipped with two spacing axle (64) that are about being arranged side by side on positioning seat (1) to make two spacing axle (64) all be longitudinal extension, still make two spacing axle (64) all be located the right side of lower attenuator (61), set up two waist shape hole (631) of arranging side by side about on top briquetting (63) down, and make the length direction of the radial cross-section in two waist shape hole (631) be horizontal extension, still make two waist shape hole (631) one-to-one ground slip suit on two spacing axle (64).

4. The door brace device applied to the cabinet door according to claim 1, wherein: elastic telescopic component (21) includes left block (211), right block (212), roof pressure spring (213), guide bar (214), left side block (211) is about being with right block (212) and arranges side by side, the one end of guide bar (214) is fixed on left block (211), the other end activity cartridge of guide bar (214) is on right block (212), the both ends of roof pressure spring (213) are inlayed respectively on left block (211), right block (212), the left end of left block (211) is articulated on positioning seat (1), the right-hand member and roof pressure pole (22) of right block (212) are articulated mutually.

5. The door brace device applied to the cabinet door as claimed in claim 4, wherein: still include adjusting part (23), adjusting part (23) include lead screw (231), sliding block (232), lead screw (231) can set up on positioning seat (1) with rotating, sliding block (232) slide and set up on positioning seat (1) to make sliding block (232) and lead screw (231) looks spiro union, still when rotating lead screw (231), enable sliding block (232) and slide on positioning seat (1), the left end of left side block (211) articulates on sliding block (232).

6. The door brace device applied to the cabinet door according to claim 5, wherein: the sliding block (232) is provided with a convex shaft part (202), the left end of the left block body (211) is provided with a C-shaped clamping groove (203), and the left block body (211) can be rotatably clamped on the convex shaft part (202) through the C-shaped clamping groove (203).

7. The door brace device applied to the cabinet door according to claim 5, wherein: the end portion of the screw rod (231) is provided with an end tooth portion (204), the positioning seat (1) is provided with an adjusting nail (205) which is longitudinally arranged, the end portion of the rear end of the adjusting nail (205) is provided with a bevel tooth portion (206), and the bevel tooth portion (206) is meshed with the end tooth portion (204).

8. The door brace device applied to the cabinet door according to claim 1, wherein: the telescopic expansion mechanism is characterized by further comprising an expansion mechanism (7), wherein the expansion mechanism (7) comprises an expansion rod (71), a locking assembly (72) and a fixed base body (73), one end of the expansion rod (71) can be telescopically inserted on the end face of the other end of the swing rod (4), the locking assembly (72) is arranged on the swing rod (4) and enables the locking assembly (72) to be locked on the expansion rod (71), and the other end of the fixed base body (73) is hinged to the other end of the expansion rod (71).

9. The door brace device applied to the cabinet door according to claim 8, wherein: the locking assembly (72) comprises a sleeving part (721), a jacking arm (722) and a limiting pressing block (723), an insertion hole (41) is formed in the end face of the right end of the swing rod (4), a abdicating hole (42) penetrating through the insertion hole (41) is formed in the bottom face of the right end of the swing rod (4), a sleeving hole (701) is formed in the sleeving part (721), a limiting hole (702) penetrating through the sleeving hole (701) is formed in the bottom face of the sleeving part (721), the limiting pressing block (723) can be vertically and movably embedded in the limiting hole (702), the jacking arm (722) is arranged below the limiting pressing block (723), the right end of the jacking arm (722) is hinged to the bottom of the sleeving part (721), the hinged central line of the jacking arm (722) also longitudinally extends, a jacking protrusion (703) is arranged on the top face of the right end of the jacking arm (722), and the jacking protrusion (703) is jacked on the bottom surface of the limiting pressing block (723), the sleeving part (721) is sleeved on the right end of the oscillating rod (4), the upper part of the limiting pressing block (723) penetrates through the abdicating hole (42) and then is placed in the insertion hole (41), one end of the expansion rod (71) is movably inserted in the insertion hole (41), and the limiting pressing block (723) is tightly pressed on the expansion rod (71).

10. The door brace device applied to the cabinet door according to claim 8, wherein: the fixed base body (73) comprises a fixed seat (731), a switching block (732) and an adjusting screw rod (733), the switching block (732) can be vertically slidably arranged on the fixed seat (731), the adjusting screw rod (733) is vertically arranged on the fixed seat (731), the switching block (732) is in threaded connection with the adjusting screw rod (733), the other end of the expansion rod (71) is hinged to the switching block (732), and the hinge center line of the expansion rod (71) and the hinge center line of the switching block (732) longitudinally extends.

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