CN217039442U

CN217039442U - Waist pillow adjusting structure of office chair backrest

Info

Publication number: CN217039442U
Application number: CN202122822404.7U
Authority: CN
Inventors: 何锦日
Original assignee: Foshan Gaozhi Furniture Technology Co ltd
Current assignee: Foshan Gaozhi Furniture Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-07-26
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to a waist pillow of official working seat back adjusts structure, its characteristics lie in including mounting, waist support, sliding regulation subassembly, wherein are provided with the guide part on the mounting, sliding regulation subassembly slides and sets up on the guide part, be provided with the swing shielding plate on the mounting to make the swing shielding plate shelter from in the sliding regulation subassembly and the guide part outside simultaneously, the waist holds in the palm the setting on sliding regulation subassembly. The utility model has the advantages of convenient maintenance, high reliability, long service life and the like.

Description

Waist pillow adjusting structure of office chair backrest

Technical Field

The utility model relates to the technical field of furniture, especially a waist pillow of office chair back adjusts structure.

Background

At present, most of the backrest parts of the seats are provided with waist supporting pieces, and the waist supporting pieces can be adjusted on the backrest parts, so that the waist supporting pieces can be better attached to the waist of a human body, and the seat is more comfortable to use. However, most of the adjusting joints between the lumbar support member and the backrest are exposed, so that in the use process, the hands and clothes of the user are easy to scratch on the adjusting joints, the hands of the user are easy to scratch or the clothes are easy to be stuck on the adjusting joints, and the safety of the use is very low. And because the adjusting connection part is exposed outside, and the backrest part is not provided with a structure for shielding the adjusting connection part, dust can easily enter the adjusting connection part and accumulate at the adjusting connection part, and the adjusting connection part is easy to have the conditions of unsmooth adjustment and clamping stagnation due to more accumulated dust in long-term use, so that the use is very inconvenient. Meanwhile, the aging and abrasion of the adjusting joint are easily accelerated by the dust accumulated for a long time, so that the service life is easily shortened.

Therefore, in view of the above problems, it is necessary to improve the structure to make it more convenient for people to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem and not enough, a waist pillow of official working seat back is adjusted structure is provided, this waist pillow is adjusted and is equipped with the swing shielding plate on the structure, it can shelter from the guide part on the mounting and the slide adjusting assembly that is located on the guide part, can not only greatly reduced dust fall the probability on the guide part like this, can also avoid user's hand and clothing to scratch on the guide part and be located the slide adjusting assembly on the guide part, the security of its use is very high. The waist pillow adjusting structure also has the advantages of convenience in maintenance, high reliability, long service life and the like.

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

the utility model provides a structure is adjusted to waist pillow of office chair back, its characterized in that includes mounting, waist support, slip adjustment assembly, wherein is provided with the guide part on the mounting, the slip adjustment assembly slides and sets up on the guide part, be provided with the swing shielding plate on the mounting to make the swing shielding plate shelter from in the slip adjustment assembly and the guide part outside simultaneously, the waist holds in the palm the setting on the slip adjustment assembly.

Preferably, the utility model discloses still include first screw, first perforation has been seted up on the mounting, first screw hole has been seted up on the swing shielding plate, the screw thread end of first screw passes first perforation back spiro union on first screw hole.

Preferably, the swing shielding plate and the fixing piece are of an integral structure, and an easy crease is formed at the joint of the swing shielding plate and the fixing piece.

Preferably, the sliding adjusting assembly comprises a sliding block, a mounting seat, a hinge rod and a second screw, the sliding block is arranged on the guide portion in a sliding mode, a second threaded hole is formed in the sliding block, a second through hole is formed in the mounting seat, the threaded end of the second screw penetrates through the second through hole and then is connected to the second threaded hole in a threaded mode, a first hinge hole is further formed in the mounting seat, a second hinge hole is formed in the waist support, and one end of the hinge rod penetrates through the first hinge hole and the second hinge hole in sequence.

Preferably, the guide part is a hole structure formed in the fixing part, the radial section of the guide part is in a strip shape, a positioning rack is arranged on the hole wall of the guide part, a positioning tooth groove is formed in the side wall of the sliding block, and the positioning tooth groove is clamped on the positioning rack.

Preferably, the fixing piece is further provided with a limiting guide groove, the mounting seat is provided with a first limiting convex part, and the first limiting convex part is embedded in the limiting guide groove in a sliding manner.

Preferably, the end part of the hinge rod is sleeved with a poking piece.

Preferably, the waist support comprises a bearing plate and a reinforcing block, the reinforcing block is arranged on the bearing plate, and the second hinge hole is formed in the reinforcing block.

Preferably, the mounting seat is provided with a hiding groove, the middle part of the first hinge hole penetrates through the hiding groove, and the reinforcing block is embedded into the hiding groove.

Preferably, the reinforcing block comprises a positioning block and a reinforcing connecting block, the positioning block is arranged on the bearing plate, an insertion hole is formed in the positioning block, a limiting groove is formed in the hole wall of the insertion hole, the second hinge hole is formed in the reinforcing connecting block, a second limiting convex part is arranged on the reinforcing connecting block, the reinforcing connecting block is inserted into the insertion hole, and the second limiting convex part is embedded into the limiting groove.

The utility model has the advantages that: through the setting of swing shielding plate, can shelter from the guide part on the mounting and the sliding adjustment subassembly that is located on the guide part, user's hand and clothing just can not scratch on the guide part and be located the sliding adjustment subassembly on the guide part like this, and it can avoid user's hand by the fish tail, and can avoid the clothing to be blocked on the guide part or on the sliding adjustment subassembly, and this helps improving the security that this waist pillow adjusted structure used. Through the sheltering from of swing shielding plate to the guide part, can greatly reduced the dust probability of falling on the guide part, like this under long-term use, the slip adjustment subassembly also can very smoothly slide on the guide part, the difficult condition that appears adjusting unsmoothly, jamming, this helps improving this waist pillow and adjusts the reliability that the structure used. And through the sheltering from of swing shielding plate, the probability that the joint of ability greatly reduced slip adjustment subassembly and guide part is accelerated with the wearing and tearing speed because of the accumulation of dust the speed of ageing appears, and this helps improving this waist pillow and adjusts structure's life. Through the setting of swing shielding plate, when needs maintain the slide adjusting subassembly, can lift the swing shielding plate, just so can be convenient for overhaul the slide adjusting subassembly that sets up on the guide part and maintain, this waist pillow is adjusted the structure and is maintained very conveniently. Because the slide adjusting assembly is arranged on the guide part in a sliding manner, the position of the waist support can be adjusted in a slide adjusting manner, and the adjusting manner is very quick and convenient. Through the setting of waist support, can support human waist well, it is better to use the travelling comfort. The structure of the waist pillow adjusting structure is very simple and reliable.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the splitting structure of the present invention.

Fig. 3 is a schematic structural diagram of the middle fixing member of the present invention.

Fig. 4 is a schematic structural view of the middle slider of the present invention.

Fig. 5 is a schematic structural view of the mounting base of the present invention.

Fig. 6 is a schematic view of the split structure of the middle waist support of the present invention.

Detailed Description

It should be noted that all directional indicators (such as top, bottom, left, right, front, and rear … …) in the embodiments 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, a waist pillow of office chair back adjusts structure, hold in the palm 2, sliding adjusting subassembly 3 including mounting 1, waist, wherein be provided with guide part 11 on the mounting 1, sliding adjusting subassembly 3 slides and sets up on guide part 11, be provided with swing shielding plate 12 on the mounting 1 to make swing shielding plate 12 shelter from in the sliding adjusting subassembly 3 and the guide part 11 outside simultaneously, waist holds in the palm 2 settings on sliding adjusting subassembly 3.

Through the setting of swing shielding plate 12, can shelter from guide part 11 on the mounting 1 and the sliding adjustment subassembly 3 that is located on guide part 11, user's hand and clothing just can not scratch on guide part 11 and be located the sliding adjustment subassembly 3 on guide part 11 like this, and it can avoid user's hand by the fish tail, and can avoid the clothing to be blocked on guide part 11 or sliding adjustment subassembly 3, and this helps improving the security that this waist pillow adjusted structure used. Through the sheltering from of swing shielding plate 12 to guide part 11, can greatly reduced the dust probability of falling on guide part 11, like this under long-term use, slide adjusting assembly 3 also can slide on guide part 11 very smoothly, the difficult condition that adjusts unsmooth, jamming appears, this helps improving the reliability that this waist pillow adjusted the structure and uses. And through the sheltering of swing shielding plate 12, the probability that the joint of sliding adjustment assembly 3 and guide part 11 is accelerated in aging speed and abrasion speed due to the accumulation of dust can be greatly reduced, which is helpful for prolonging the service life of the waist pillow adjusting structure. Through the arrangement of the swing baffle plate 12, when the sliding adjusting component 3 needs to be maintained, the swing baffle plate 12 can be lifted, so that the sliding adjusting component 3 arranged on the guide part 11 can be conveniently overhauled and maintained, and the waist pillow adjusting structure is very convenient to maintain. Because the sliding adjusting component 3 is arranged on the guide part 11 in a sliding way, the position of the waist support 2 can be adjusted in a sliding adjusting way, and the adjusting way is very quick and convenient. Through the setting of waist support 2, can support human waist well, it is better to use the travelling comfort. The structure of the waist pillow adjusting structure is very simple and reliable.

As shown in fig. 2 and fig. 3, the present invention further comprises a first screw 4, a first through hole 13 is provided on the fixing member 1, a first threaded hole 14 is provided on the swing shielding plate 12, and a threaded end of the first screw 4 is screwed on the first threaded hole 14 after passing through the first through hole 13. After the sliding adjustment assembly 3 is installed, the swing shielding plate 12 can be firmly fixed on the fixing member 1 by the fixing of the first screw 4, so that the swing shielding plate 12 cannot be lifted, which can further prevent the hands of the user from being scratched, and can further prevent clothes from being stuck on the guide portion 11 or the sliding adjustment assembly 3, which can further improve the safety of the usage of the lumbar pillow adjustment structure.

As shown in fig. 3, the swing shielding plate 12 and the fixing member 1 are integrated, and an easy folding line 121 is formed at a connection portion of the swing shielding plate 12 and the fixing member 1. Because the swing shielding plate 12 and the fixing member 1 are of an integral structure, the manufacturing is convenient, and the reliability of connection between the swing shielding plate 12 and the fixing member 1 can be ensured. By the provision of the easy fold 121, the swing of the swing shutter 12 can be facilitated to be bent, which contributes to improvement of convenience in use of the lumbar pillow adjusting structure.

In the practical application process, the swing shielding plate 12 and the fixing member 1 are both made of plastic materials. This makes it easier to swing the swing shutter 12, and reduces the manufacturing cost of the swing shutter 12 and the fixing member 1.

As shown in fig. 2, 4, 5 and 6, the sliding adjustment assembly 3 includes a slider 31, a mounting seat 32, a hinge rod 33 and a second screw 34, the slider 31 is slidably disposed on the guide portion 11, the slider 31 is provided with a second threaded hole 311, the mounting seat 32 is provided with a second through hole 321, a threaded end of the second screw 34 passes through the second through hole 321 and then is screwed to the second threaded hole 311, the mounting seat 32 is further provided with a first hinge hole 322, the waist support 2 is provided with a second hinge hole 21, and one end of the hinge rod 33 sequentially passes through the first hinge hole 322 and the second hinge hole 21. The installation base 32 is movable in the guide direction of the guide portion 11 by the slider 31. Because waist holds in the palm 2 and articulates on mount pad 32 through articulated pole 33, enable waist to hold in the palm 2 like this and realize the swing amplitude on mount pad 32 to can further adjust waist and hold in the palm 2, and then make waist hold in the palm 2 and adjust to the position of fitting more with user's waist, this comfort that helps improving this waist pillow and adjusts the structure use.

As shown in fig. 3 and 4, the guide portion 11 is a hole structure formed in the fixing member 1, a radial cross section of the guide portion 11 is in a bar shape, a positioning rack 111 is arranged on a hole wall of the guide portion 11, a positioning tooth groove 312 is formed in a side wall of the slider 31, and the positioning tooth groove 312 is clamped on the positioning rack 111. Through such structural design, in the process of sliding the sliding block 31, the sliding block 31 can be well positioned, and the reliability of the installation and positioning of the waist pillow adjusting structure is improved.

As shown in fig. 1 and 2, the fixing member 1 and the swing shielding plate 12 are both plate-shaped structures, the guide portion 11 penetrates through the fixing member 1, the upper side edge of the swing shielding plate 12 is connected with the upper side edge of the fixing member 1, and the swing shielding plate 12 and the waist support 2 are respectively located at two sides of the fixing member 1. Therefore, the dust-proof sliding adjusting mechanism not only can have a very simple structure, but also can play a very good shielding role, so that dust can be prevented from falling on the guide part 11 and the sliding adjusting component 3.

In the actual installation process, the fixing part 1 is clamped between the sliding block 31 and the mounting seat 32, so that the sliding adjusting component 3 is not easy to fall off, and the reliability of the waist pillow adjusting structure is improved.

The longitudinal direction of the radial cross section of the guide portion 11 is the guide direction thereof, and the longitudinal direction of the positioning rack 111 coincides with the guide direction of the guide portion 11.

As shown in fig. 2 and 5, the fixing element 1 is further provided with a limiting guide groove 15, the mounting seat 32 is provided with a first limiting protrusion 323, and the first limiting protrusion 323 is slidably embedded in the limiting guide groove 15. Through such structural design, make sliding adjustment subassembly 3 can slide along spacing guide way 15 to make sliding adjustment subassembly 3's removal route more accurate, the condition of skew can not appear, this structure reliability that helps improving this waist pillow and adjusts the structure.

As shown in fig. 2, the guide direction of the stopper guide groove 15 is the same direction as the guide direction of the guide portion 11.

As shown in fig. 2, a toggle element 35 is sleeved on the end of the hinge rod 33. Through the structural design, the mounting seat 32 can be conveniently stirred, and the sliding block 31 is driven to slide, so that the position of the waist support 2 can be conveniently adjusted.

As shown in fig. 1, the toggle member 35 is located inside the fixed member 1, and the swing shutter 12 is located outside the fixed member 1. Thus, the toggle member 35 is located on the inner side, and the swing shutter 12 is located on the outer side, so that the chance of contacting the toggle member 35 is greatly reduced.

In the practical application process, stir and all adopt the plastics material to make with mount pad 32, it has certain elasticity, stir on the hinge bar 33 and move 35 and be the cartridge on first hinge hole 322, and stir 35 and be connected together through transition or interference fit's mode with first hinge hole 322, can play spacing effect to stirring 35 like this, avoid stirring 35 and remove at will on the axial direction of first hinge hole 322, and the difficult condition that takes off appears, this helps improving the structural reliability of this waist pillow regulation structure.

As shown in fig. 6, the waist support 2 includes a support plate 201 and a reinforcing block 202, the reinforcing block 202 is disposed on the support plate 201, and the second hinge hole 21 is opened on the reinforcing block 202. Through the setting of boss 202, can be connected together with hinged rod 33 better, and need not like this at the trompil on bearing plate 201, can reduce the degree of difficulty of seting up of second hinge hole 21 like this to it is easier to make the production of waist support 2, and in order to guarantee that bearing plate 201 can play very good bearing effect.

As shown in fig. 2 and 6, the mounting seat 32 is provided with a storage groove 324, the middle of the first hinge hole 322 passes through the storage groove 324, and the reinforcing block 202 is inserted into the storage groove 324. Through the arrangement of the storage groove 324, the reinforcing block 202 can be stored in the storage groove 324, so that the reinforcing block 202 can be protected, the reinforcing block 202 is not exposed outside, and the probability of accelerating the aging speed of the reinforcing block 202 can be greatly reduced; and thus, the effect of stabilizing and limiting the reinforcing block 202 can be achieved, thereby being beneficial to improving the stability and reliability of the installation and positioning of the waist support 2 and further being beneficial to improving the service life of the reinforcing block 202.

As shown in fig. 2 and 5, the second through hole 321 is opened at the bottom of the storage groove 324 of the mounting seat 32. This enables the overall structure of the mounting base 32 to be more compact and easier to manufacture.

As shown in fig. 6, the reinforcing block 202 includes a positioning block 203 and a reinforcing connecting block 204, the positioning block 203 is disposed on the supporting plate 201, the positioning block 203 is provided with an insertion hole 22, a limiting groove 221 is provided on a hole wall of the insertion hole 22, the second hinge hole 21 is provided on the reinforcing connecting block 204, the reinforcing connecting block 204 is provided with a second limiting protrusion 205, the reinforcing connecting block 204 is inserted into the insertion hole 22, and the second limiting protrusion 205 is embedded in the limiting groove 221. Through the setting of reinforcing connecting block 204, when reinforcing connecting block 204 appears damaging or the second hinge hole 21 on reinforcing connecting block 204 appears wearing and tearing, can change reinforcing connecting block 204 alone, need not change bearing board 201, can reduce the cost of changing the maintenance like this. Through the setting of second spacing convex part 205 and spacing groove 221, can restrict the connection piece 204 in the plug-in mounting hole 22, avoid the connection piece 204 to remove at will in the axial direction of plug-in mounting hole 22, and the difficult condition that takes off that appears, this helps improving this waist pillow and adjusts the structural reliability of structure.

In the practical application process, the supporting plate 201, the positioning block 203 and the reinforcing connecting block 204 are all made of plastic materials and have certain elasticity, after the reinforcing block 202 is embedded into the storage groove 324, the positioning block 203 is pressed against the groove bottom of the storage groove 324, so that the positioning block 203 is positioned on the storage groove 324 in a friction contact mode, the swinging requirement of the waist support 2 can be met, the waist support 2 can be limited, and the waist support 2 is prevented from freely swinging on the mounting seat 32.

As shown in fig. 3, the fixing member 1 is provided with a third threaded hole 16 at the bottom thereof, so that the lumbar pillow adjusting structure can be mounted on various seats by means of screws, which helps to improve the applicability of the lumbar pillow adjusting structure.

Claims

1. The utility model provides a structure is adjusted to waist pillow of office chair back which characterized in that: including mounting (1), waist support (2), sliding adjusting subassembly (3), wherein be provided with guide part (11) on mounting (1), sliding adjusting subassembly (3) slide to set up on guide part (11), be provided with swing shielding plate (12) on mounting (1) to make swing shielding plate (12) shelter from in sliding adjusting subassembly (3) and guide part (11) outside simultaneously, waist support (2) set up on sliding adjusting subassembly (3).

2. The lumbar pillow adjusting structure of an office chair back as claimed in claim 1, wherein: the fixing piece (1) is provided with a first through hole (13), the swing shielding plate (12) is provided with a first threaded hole (14), and the threaded end of the first screw (4) penetrates through the first through hole (13) and then is in threaded connection with the first threaded hole (14).

3. A lumbar pillow adjustment structure of an office chair backrest as set forth in claim 2, wherein: swing shielding plate (12) and mounting (1) structure as an organic whole, easy crease (121) have been seted up to the junction of swing shielding plate (12) and mounting (1).

4. The lumbar pillow adjusting structure of an office chair back as claimed in claim 1, wherein: slide adjusting part (3) include slider (31), mount pad (32), articulated rod (33), second screw (34), slider (31) slide and set up on guide part (11), second screw hole (311) have been seted up on slider (31), second perforation (321) have been seted up on mount pad (32), the screw thread end of second screw (34) passes behind second perforation (321) spiro union on second screw hole (311), first hinge hole (322) have still been seted up on mount pad (32), second hinge hole (21) have been seted up on waist support (2), first hinge hole (322) and second hinge hole (21) are passed in proper order to the one end of articulated rod (33).

5. The lumbar pillow adjustment structure of an office chair back as claimed in claim 4, wherein: guide part (11) are for seting up the hole structure on mounting (1), the radial cross section of guide part (11) is the bar, be equipped with location rack (111) on the pore wall of guide part (11), location tooth's socket (312) have been seted up on the lateral wall of slider (31), location tooth's socket (312) card is established on location rack (111).

6. The lumbar pillow adjustment structure of an office chair back as claimed in claim 4, wherein: the fixing piece (1) is further provided with a limiting guide groove (15), the mounting seat (32) is provided with a first limiting convex part (323), and the first limiting convex part (323) is embedded in the limiting guide groove (15) in a sliding mode.

7. The lumbar pillow adjustment structure of an office chair back as claimed in claim 4, wherein: the end part of the hinge rod (33) is sleeved with a poking piece (35).

8. The lumbar pillow adjustment structure of an office chair back as claimed in claim 4, wherein: the waist support (2) comprises a bearing plate (201) and a reinforcing block (202), the reinforcing block (202) is arranged on the bearing plate (201), and the second hinge hole (21) is formed in the reinforcing block (202).

9. The lumbar pillow adjustment structure of an office chair back as claimed in claim 8, wherein: the mounting seat (32) is provided with a hiding groove (324), the middle of the first hinge hole (322) penetrates through the hiding groove (324), and the reinforcing block (202) is embedded into the hiding groove (324).

10. A lumbar pillow adjustment structure of an office chair backrest as set forth in claim 8, wherein: the reinforcing block (202) comprises a positioning block (203) and a reinforcing connecting block (204), the positioning block (203) is arranged on the bearing plate (201), an insertion hole (22) is formed in the positioning block (203), a limiting groove (221) is formed in the hole wall of the insertion hole (22), the second hinge hole (21) is formed in the reinforcing connecting block (204), a second limiting convex part (205) is arranged on the reinforcing connecting block (204), the reinforcing connecting block (204) is inserted into the insertion hole (22), and the second limiting convex part (205) is embedded into the limiting groove (221).