CN203961534U - a deadbolt - Google Patents

Abstract

The utility model relates to a bolt technical field especially relates to a hidden bolt, and it includes the hidden inserted bar and can drives the flexible control lever of hidden inserted bar, and the one end of control lever is connected in the hidden inserted bar, and the other end of control lever is provided with the knob. The hidden bolt of the utility model has the advantages of simple structure and reasonable design, when being installed, only one hole is needed to be drilled on the side surface and the top bottom of the door leaf for respectively installing the control rod and the hidden inserting rod, the hole is simple, the installation is convenient and firm, thereby avoiding the dislocation trouble of hidden protection tubes in the door gap by traditional central control and the installation difficulty caused by too long protection tubes; and because the opening of the hidden bolt is small, the hiding performance of the hidden bolt is greatly enhanced, and the overall damage to the door leaf is reduced to the minimum extent, so that the fireproof performance and the anti-theft and anti-collision performance are greatly improved, the quality of the door leaf is favorably improved, and the additional value of the door leaf is improved.

Description

a deadbolt

technical field

The utility model relates to the technical field of bolts, in particular to a hidden bolt.

Background technique

Usually, the door installed on the door frame mainly has two kinds of single-leaf door and double-leaf door, and the double-leaf door can be two doors of the same size, or a large and a small mother-in-law door. In order to realize the locking of double-leaf doors, people have developed two kinds of open bolts and hidden bolts installed on one of the doors. As long as the two doors are closed at the same time, the latch push block exposed from the side of one of the doors will drive the pin linked with the push block to the door frame under the action of the bumper on the side of the other door. Slide in the direction and insert the head end of the pin into the door frame to achieve the effect of locking the door immediately when the door is closed.

The traditional central control hidden bolt needs to hide a protective tube/protective sleeve with a length equal to the height of the door leaf in the door panel/door core. The side control device of the door leaf controls the hidden insertion through the connecting rod in the protective tube. The hidden protective tube inside the door panel is easy to cause misalignment troubles, and the installation is difficult because the connecting rod is too long. In addition, the traditional blind bolt and the central control blind plug need to open large holes on the side, top/inside of the door leaf, which will cause huge damage to the top and bottom structure of the door leaf, resulting in extremely poor fire resistance and anti-theft and anti-collision performance. Therefore, above-mentioned problem needs to be solved urgently.

Utility model content

The purpose of the utility model is to provide a small installation hole, convenient installation and firm blind bolt for the deficiency of the prior art.

The utility model is achieved through the following technical solutions.

A concealed bolt includes a concealed plunger and a control rod that can drive the concealed plunger to expand and contract. One end of the control rod is connected to the concealed plunger, and the other end of the control rod is provided with a knob.

Wherein, the bottom of the concealed insertion rod is provided with a concealed insertion main body casing, and the lower part of the concealed insertion main body casing is provided with a jack matching the control rod, and the control rod is inserted into the jack, and the jack is a cross-shaped jack or a polygonal jack.

Wherein, the control rod includes a main rod and a connecting rod integrally formed, the head end of the main rod is connected with the head end of the connecting rod, the end of the main rod is connected with the knob, the end of the connecting rod is inserted into the jack, the cross section of the main rod It is circular, and the cross section of the connecting rod is cross-shaped or polygonal to match the cross-shaped socket or the polygonal socket.

Wherein, the knob is a circular boss-shaped knob, the circular boss-shaped knob is integrally formed with the rotating end of the control rod, and the outer surface of the circular boss-shaped knob is provided with a bar-shaped groove.

Wherein, the number of bar-shaped grooves is two, and the two bar-shaped grooves intersect vertically.

Wherein, the concealed plug further includes a concealed insert rod control panel, and the middle part of the concealed insert rod control panel is provided with a clamping hole matching with a circular boss-shaped knob, and the circular boss-shaped knob is embedded in the clamping hole.

Wherein, the concealed plug also includes a concealed plunger panel, the middle part of the concealed plunger control panel is provided with an opening matching the concealed plunger, the cross-sectional area of the opening is smaller than the cross-sectional area of the concealed plunger body shell, and the concealed plunger pierced through the opening.

Wherein, the polygonal jack is one of a triangular jack, a quadrilateral jack and a pentagonal jack.

The beneficial effects of the utility model are: the hidden bolt of the utility model is simple in structure, reasonable in design,

During installation, you only need to drill a hole on the side, top and bottom of the door leaf to install the control rod and the hidden insertion rod respectively. The opening is simple, the installation is convenient and firm, thus avoiding the traditional central control hidden insertion in the door panel The misalignment of the hidden protective tube is troublesome, and the installation is difficult due to the too long protective tube; and because of the small hole of the hidden bolt, the concealment of the hidden bolt is greatly enhanced, and the overall damage to the door leaf is minimized, thereby greatly improving the safety of the door leaf. Fireproof performance and anti-theft and anti-collision performance are conducive to improving the quality of the door leaf and increasing the added value of the door leaf.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic view of the utility model installed on a door leaf.

Fig. 3 is a structural schematic diagram of the control rod mechanism of the present invention.

Fig. 4 is a structural schematic diagram of the concealed rod insertion mechanism of the present invention.

Reference signs include:

1—Concealed insertion rod, 2—Concealed insertion main body shell, 21—Jack, 3—Concealed insertion rod panel, 4—Control rod, 41—Main rod, 42—Connecting rod, 5—Knob, 51—Strip groove , 6—concealed rod control panel.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

Embodiment one.

As shown in Figures 1 to 4, a concealed plug in this embodiment includes a concealed plunger 1 and a control rod 4 that can drive the concealed plunger 1 to expand and contract. One end of the control rod 4 is connected to the concealed plunger 1, and the control rod The other end of 4 is provided with knob 5. The hidden bolt of the utility model is simple in structure and reasonable in design. When installing, only one hole needs to be drilled on the side of the door leaf and the top and bottom respectively to install the control rod 4 and the hidden plug rod 1 respectively. The opening is simple, the installation is convenient and It is firm, thus avoiding the trouble of dislocation of the traditional central control concealed in the door panel to hide the protection tube, and the installation difficulty caused by the protection tube being too long; and because of the small opening of the concealed bolt, the concealment of the concealed bolt is greatly enhanced, The overall damage to the door leaf is reduced to a minimum, thereby greatly improving the fire performance and anti-theft and anti-collision performance, which is conducive to improving the quality of the door leaf and increasing the added value of the door leaf.

In this embodiment, the bottom of the concealed insertion rod 1 is provided with a concealed insertion main body casing 2, and the lower part of the concealed insertion main body casing 2 is provided with a jack 21 matching the control rod 4, and the control rod 4 is inserted into the jack 21, and the jack 21 is a cross-shaped jack or a polygonal jack. The concealed insertion main body casing 2 is convenient for installing the concealed insertion rod 1 in the opening at the top and bottom of the door leaf, and through the rotation of the control rod 4, the concealed insertion main body casing 2 can be driven to move up and down, so that the concealed insertion rod 1 can move up and down relative to the top of the door leaf. The opening at the bottom realizes telescoping, and the control rod 4 is matched with the socket 21. The socket 21 is a cross-shaped socket or a polygonal socket, which can avoid slipping in the socket 21 during the rotation of the control rod 4 and ensure the concealed insertion of the rod. 1Smooth expansion and contraction.

In this embodiment, the control rod 4 includes an integrally formed main rod 41 and a connecting rod 42, the head end of the main rod 41 is connected with the head end of the connecting rod 42, the end of the main rod 41 is connected with the knob 5, and the end of the connecting rod 42 Inserted in the socket 21 , the cross section of the main rod 41 is circular, and the cross section of the connecting rod 42 is a cross or a polygon matching the cross or polygon socket. The cross-section of the main rod 41 is circular, that is, the main rod 41 is cylindrical, which can ensure the overall strength of the control rod 4, while the cross-section of the connecting rod 42 matches the shape of the jack 21, and can ensure the connection between the control rod 4 and the plug-in hole. The connection stability of the hole 21, therefore, the control rod 4 is divided into the main rod 41 and the connecting rod 42, which can ensure the strength and connection stability of the control rod 4 at the same time.

In this embodiment, the knob 5 is a circular boss-shaped knob, which is integrally formed with the rotating end of the control rod 4 , and the outer surface of the circular boss-shaped knob is provided with a bar-shaped groove 51 . When the control lever 4 needs to be rotated, a coin, a key, or a screwdriver can be inserted into the bar-shaped groove 51, and then the control lever 4 can be rotated by turning it hard, and the adjustment is simple and flexible, thus avoiding the traditional pull-up or push-up The opening of the concealed plug is not flexible and loose.

In this embodiment, the concealed bolt also includes a concealed insert rod control panel 6, and the middle part of the concealed insert rod control panel 6 is provided with a card hole matching a circular boss-shaped knob, and the circular boss-shaped knob is embedded in the card. hole. The control panel 6 of the concealed insertion rod can be connected with the door leaf through a nail hole through a nail hole. The control panel 6 of the concealed insertion rod can restrict the rotation of the circular boss-shaped knob only within the range of the clamping hole, avoiding the circular boss-shaped knob. Knob twists and shifts and causes damage to the door leaf. After the utility model is installed, only the hidden insertion rod control panel 6 is exposed on the side of the door leaf, and the concealment of the hidden bolt is greatly strengthened. The control rod 4, the knob 5 and the hidden rod control panel 6 constitute a control rod mechanism.

In this embodiment, the blind plug also includes a blind plug rod panel 3, and the middle part of the dark plug rod control panel 6 is provided with an opening that matches the dark plug rod 1, and the cross-sectional area of the hole is smaller than that of the dark plug main body shell 2. Cross-sectional area, the concealed insertion rod 1 passes through the opening. The concealed inserting rod panel 3 can be connected with the door leaf through nail holes and locking nails. The concealed inserting rod panel 3 acts as a limiter for the concealed inserting main body shell 2, preventing the concealed inserting main body shell 2 from slipping out of the opening at the top and bottom of the door leaf . In addition, the concealed insertion rod 1 and the concealed insertion main body casing 2 are stainless steel concealed insertion rod and stainless steel concealed insertion main body casing respectively, which guarantee high strength, are not easily deformed, and are durable. The concealed inserting rod 1, the concealed inserting body shell 2, and the concealed inserting rod panel 3 constitute the concealed inserting rod mechanism.

Embodiment two.

The difference between this embodiment and the first embodiment is that in this embodiment, there are two strip-shaped grooves 51 , and the two strip-shaped grooves 51 intersect vertically. Two bar-shaped grooves 51 intersect vertically to form a cross shape, so in addition to flat-shaped tools such as coins and flat-blade screwdrivers, cross-shaped screws or other cross-shaped tools can also be used to twist the circular boss button to increase the range of applicable tools and be practical. High performance and higher torsion stability.

In this embodiment, the polygonal socket is one of a triangular socket, a quadrilateral socket and a pentagonal socket. The more sides of the polygonal jack, when the matching control rod 4 is inserted in the jack 21, the connection stability is better, and the operation of the knob is more stable. When the rod 4 is connected to the socket 21 in alignment, the difficulty of alignment is also increased. Therefore, in this embodiment, the polygonal socket is defined as one of a triangular socket, a quadrilateral socket and a pentagonal socket.

Other structures of this embodiment are the same as those of Embodiment 1, and will not be repeated here.

The above-described embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of implementation of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present utility model , should be included in the utility model patent application scope.

Claims (8)

1. a mortise bolt, is characterized in that: comprise dark inserted link and can drive the flexible control lever of dark inserted link, one end of control lever is connected in dark inserted link, and the other end of control lever is provided with knob.

2. a kind of mortise bolt according to claim 1, it is characterized in that: the bottom of dark inserted link is provided with the dark main body cover of inserting, dark bottom of inserting main body cover offers the jack mating with control lever, and control lever is inserted in jack, and jack is cross jack or polygonal socket.

3. a kind of mortise bolt according to claim 2, it is characterized in that: control lever comprises integrated mobile jib and connecting rod, the head end of mobile jib is connected with the head end of connecting rod, the end of mobile jib is connected with knob, the end of connecting rod is inserted in jack, the cross section of mobile jib is rounded, and the cross section of connecting rod is the cross or the polygon that mate with cross jack or polygonal socket.

4. a kind of mortise bolt according to claim 1, is characterized in that: knob is a round boss shape knob, and the round end of round boss shape knob and control lever is one-body molded, and the external surface of round boss shape knob offers strip groove.

5. a kind of mortise bolt according to claim 4, is characterized in that: the quantity of strip groove is two, and two strip grooves intersect vertically.

6. a kind of mortise bolt according to claim 4, is characterized in that: described mortise bolt also comprises dark inserted link control panel, and the middle part of dark inserted link control panel offers the hole clipping of mating with round boss shape knob, and round boss shape knob is embedded at hole clipping.

7. a kind of mortise bolt according to claim 1, it is characterized in that: described mortise bolt also comprises dark inserted link panel, the middle part of dark inserted link control panel offers the perforate of mating with dark inserted link, and the cross sectional area of perforate is less than the dark cross sectional area of inserting main body cover, and dark inserted link is arranged in perforate.

8. a kind of mortise bolt according to claim 2, is characterized in that: polygonal socket is the one in triangle jack, quadrangle jack and pentagon jack.