CN212984943U

CN212984943U - Box type hidden bolt

Info

Publication number: CN212984943U
Application number: CN202021283694.1U
Authority: CN
Inventors: 王建生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2021-04-16
Anticipated expiration: 2030-07-04

Abstract

The utility model provides a bolt is hidden to box-type, including bolt box, handle, bolt pole and push-and-pull plate, be provided with the bar hole that runs through this top surface on the top surface of bolt box, be provided with the slide opening that is used for installing the bolt pole on the preceding terminal surface of bolt box, the handle is installed in the bar hole and articulated through first articulated shaft and bolt box, push-and-pull plate one end have with handle articulated portion, the push-and-pull plate with bolt pole fixed connection, the bolt box still is provided with and is used for following the spring that the push-and-pull plate bottom surface compressed tightly the push-and-pull plate. The utility model has simple structure and design, simple production of each part, convenient installation, material saving and more optimized design for the hidden bolt; the operation is convenient, and the function of automatic in-place is realized through the spring; can convenient operating condition who confirms box-type hidden bolt through the pilot mark, promote the convenience of use.

Description

Box type hidden bolt

Technical Field

The utility model relates to a box-type hides bolt belongs to mechanical five metals technical field.

Background

Compared with the prior art, the hidden bolt has the advantages of labor saving, good hand feeling, automatic resetting of the handle and the like, and is widely applied to various corridor unit doors. But the existing hidden bolt has high assembly difficulty and complex structure, greatly influences the production efficiency and increases the cost.

The chinese patent with application number 201820645946.7 discloses a concealed bolt, which comprises a handle, a panel, a slide rail seat, a sliding plate and a spring plate, wherein a connecting sleeve at the lower end of the sliding plate is connected with a bolt rod, and the concealed bolt has the advantages of greatly reducing the cost and improving the production efficiency. However, how to reduce the cost of hardware such as a dark plug without influencing the use effect is a problem which is researched by all merchants to the utmost.

And the prior hidden bolt usually has no working state indicating function, and has a plurality of inconveniences in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bolt is hidden to box-like to solve the technical problem who provides in the above-mentioned background art at least, the not enough that exists to prior art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a box-type hidden bolt comprises a bolt box, a handle, a bolt rod and a push-pull plate, wherein a strip-shaped hole penetrating through the top surface is formed in the top surface of the bolt box, the extending direction of the strip-shaped hole is taken as the front and back direction, a sliding hole used for installing the bolt rod is formed in the front end surface of the bolt box, the bolt rod can be installed in the sliding hole in a sliding mode along the front and back direction, the handle is installed in the strip-shaped hole and hinged with the bolt box through a first hinged shaft, the axis of the first hinged shaft extends along the left and right direction, one end, far away from the first hinged shaft, of the handle is located,

the push-and-pull board is installed in the bolt box, one end of the push-and-pull board is provided with a hinging part hinged with the handle, the push-and-pull board is fixedly connected with the bolt rod, the hinging part of the push-and-pull board is hinged with the handle through a second hinging shaft, the second hinging shaft is parallel to the first hinging shaft, and the bolt box is further provided with a spring used for pressing the push-and-pull board from the bottom surface of the push-and-pull.

Preferably, the axis of the slide hole extends in the front-rear direction and penetrates through the front end face of the latch box.

Preferably, the inner diameter of the slide hole is matched with the outer diameter of the latch rod so that the latch rod can slide freely in the axial direction in the slide hole.

Preferably, be provided with the first shaft hole that is used for installing first articulated shaft on hand, the left and right sides of bolt box all be provided with a second shaft hole that is used for installing first articulated shaft, first articulated shaft wears to locate in the first shaft hole, and the both ends of first articulated shaft are installed respectively in the second shaft hole that corresponds the side.

Preferably, the second hinge shaft is located at a rear side of the first hinge shaft.

Preferably, the rear end of the push-pull plate extends beyond the hinge portion, a first indication mark is arranged on a portion, which is located on the rear side of the hinge portion and is close to the hinge portion, of the upper surface of the push-pull plate, and a second indication mark is arranged on a portion, which is located on the front side of the hinge portion and is close to the hinge portion, of the upper surface of the push-pull plate. When the bolt rod is completely extended out, the second indication mark can be seen through the strip-shaped hole, and at the moment, the box-type hidden bolt is in a working state, and a matched door and window is in a locked and closed state; when the bolt rod is completely retracted, the first indication mark can be seen through the strip-shaped hole, the box-type hidden bolt is in a non-working state, and the matched door and window is in a locked and opened state.

The handle can be rotatory around the axis of first articulated shaft in the bar hole, and it is further preferred, in order to make the top surface of bolt box more level and smooth, be equipped with the handle groove with handle matched with at the top surface of bolt box, the one end that first articulated shaft was kept away from to the handle is located this handle inslot.

When the handle rotates around the axis of the first articulated shaft, the push-pull plate is driven to act through the second articulated shaft. Specifically, when the handle rotates backwards around the axis of the first hinge shaft from a horizontal state, the handle drives the push-pull plate to move along the approximately forward direction through the second hinge shaft, so that the push-pull plate pushes the plug pin rod to extend out of the front end of the plug pin box, after the handle rotates backwards slightly beyond 90 degrees, due to the upward elasticity of the spring on the push-pull plate, the spring automatically rotates the handle backwards to 180 degrees, at the moment, the handle is attached to the top surface of the plug pin box again, and the extending length of the plug pin rod reaches the maximum value; when the handle rotates forwards around the axis of the first hinge shaft from a horizontal state, the handle drives the push-pull plate to move along the backward direction approximately through the second hinge shaft, so that the push-pull plate pushes the plug pin rod to be retracted from the front end of the plug pin box, after the handle rotates forwards slightly beyond 90 degrees, the spring automatically rotates the handle forwards to 180 degrees due to the upward elasticity of the spring to the push-pull plate, at the moment, the handle is attached to the top surface of the plug pin box again, and the plug pin rod is retracted to the front end surface of the plug pin box.

Preferably, the hinge part is two hinge lugs arranged at the end part of the push-pull plate, the two hinge lugs are respectively arranged at the left side and the right side of the end part of the push-pull plate, and each hinge lug is provided with a third shaft hole. Further, be provided with the fourth shaft hole that is used for installing the second articulated shaft on hand, the second articulated shaft is worn to locate in the fourth shaft hole, and the both ends of second articulated shaft are installed respectively in the third shaft hole that corresponds the side.

Preferably, one end of the push-pull plate, which is connected with the plug rod, is provided with a connecting plate which extends along the vertical direction, and the connecting plate is fixedly connected with the plug rod.

Preferably, the bolt box is a shell with a lower opening, a spring cover plate is installed at the bottom of the bolt box, one end of the spring abuts against the spring cover plate, and the other end of the spring abuts against the bottom surface of the push-pull plate. Preferably, the spring is a tower spring, a large-diameter end of the tower spring abuts against the spring cover plate, and a small-diameter end of the tower spring abuts against the bottom surface of the push-pull plate.

Further preferably, the left side and the right side of the spring cover plate are provided with a connecting support plate, each connecting support plate is provided with a fifth shaft hole used for being connected with the first hinged shaft, and the fifth shaft holes are sleeved on the first hinged shaft, so that the spring cover plate is installed on the first hinged shaft.

The utility model has the advantages that:

the utility model discloses structural design is simple, and each spare part production is simple and convenient, easy to assemble, and save material is the design of hiding the more optimization of formula bolt.

The operation is convenient, and the function of automatic in-place is realized through the spring.

Can convenient operating condition who confirms box-type hidden bolt through the pilot mark, promote the convenience of use.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a box-type hidden bolt of the present invention;

fig. 2 is a schematic view of an explosion structure of a box-type hidden bolt of the present invention;

FIG. 3 is a schematic cross-sectional view of a box-type hidden plug according to the present invention;

FIG. 4 is a schematic structural view of the box-type concealed plug of the present invention with the plug box removed;

fig. 5 is a schematic structural view of another view angle of the box-type hidden plug according to the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, which are provided for the purpose of giving a thorough understanding of the present disclosure.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the present invention, which is for purposes of illustration only and is not intended to be in the sole embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1-5, the present invention provides a technical solution: a box-type hidden bolt comprises a bolt box 1, a handle 2, a bolt rod 3 and a push-pull plate 4, wherein a strip-shaped hole 5 penetrating through the top surface is formed in the top surface of the bolt box 1, the extending direction of the strip-shaped hole 5 is taken as the front-back direction, a sliding hole 6 used for installing the bolt rod 3 is formed in the front end surface of the bolt box 1, the bolt rod 3 can be installed in the sliding hole 6 in a sliding mode along the front-back direction, the handle 2 is installed in the strip-shaped hole 5 and hinged with the bolt box 1 through a first hinged shaft 7, the axis of the first hinged shaft 7 extends along the left-right direction, one end, far away from the first hinged shaft 7, of the handle 2 is located on the upper portion,

the push-pull plate 4 is installed in the bolt box 1, one end of the push-pull plate 4 is provided with a hinging part hinged with the handle 2, the push-pull plate 4 is fixedly connected with the bolt rod 3, the hinging part of the push-pull plate 4 is hinged with the handle 2 through a second hinging shaft 8, the second hinging shaft 8 is parallel to a first hinging shaft 7, and the bolt box 1 is further provided with a spring 9 for pressing the push-pull plate 4 from the bottom surface of the push-pull plate 4.

Preferably, the axis of the slide hole 6 extends in the front-rear direction and penetrates the front end surface of the latch box 1.

Preferably, the inner diameter of the slide hole 6 is matched with the outer diameter of the latch rod 3 so that the latch rod 3 can freely slide in the axial direction in the slide hole 6.

Preferably, handle 2 on be provided with the first shaft hole that is used for installing first articulated shaft 7, the left and right sides of bolt box 1 all be provided with a second shaft hole that is used for installing first articulated shaft 7, first articulated shaft 7 wears to locate in the first shaft hole, and the second shaft that corresponds the side is installed respectively at the both ends of first articulated shaft 7 downthehole.

Preferably, said second hinge axis 8 is located at the rear side of the first hinge axis 7.

It is further preferable that the rear end of the push-pull plate 4 extends beyond the hinge portion, a first indication mark 15 is disposed on a portion of the upper surface of the push-pull plate 4, which is located at the rear side of the hinge portion and is adjacent to the hinge portion, and a second indication mark 16 is disposed on a portion of the upper surface of the push-pull plate 4, which is located at the front side of the hinge portion and is adjacent to the hinge portion. Therefore, when the bolt rod 3 is completely extended out, the second indication mark 16 can be seen through the strip-shaped hole 5, and at the moment, the box-type hidden bolt is in a working state, and a matched door and window is in a locked and closed state; when the bolt rod 3 is completely retracted, the first indication mark 15 can be seen through the strip-shaped hole 5, at the moment, the box-type hidden bolt is in a non-working state, and a matched door and window is in a locked and opened state.

The handle 2 can rotate around the axis of the first hinge shaft 7 in the strip-shaped hole 5, and further preferably, in order to make the top surface of the latch box 1 smoother, a handle groove 10 matched with the handle 2 is arranged on the top surface of the latch box 1, and one end of the handle 2 far away from the first hinge shaft 7 is positioned in the handle groove 10.

When the handle 2 rotates around the axis of the first hinge shaft 7, the push-pull plate 4 is driven to move through the second hinge shaft 8. Specifically, when the handle 2 rotates backwards around the axis of the first hinge shaft 7 from a horizontal state, the handle 2 drives the push-pull plate 4 to move in a generally forward direction through the second hinge shaft 8, so that the push-pull plate 4 pushes the latch rod 3 to extend out from the front end of the latch box 1, and after the handle 2 rotates backwards by a little more than 90 degrees, the spring 9 automatically rotates the handle 2 backwards to 180 degrees due to the upward elasticity of the spring 9 on the push-pull plate 4, at this time, the handle 2 is attached to the top surface of the latch box 1 again, and the extending length of the latch rod 3 reaches a maximum value; when the handle 2 rotates forwards around the axis of the first hinge shaft 7 from a horizontal state, the handle 2 drives the push-pull plate 4 to move along a backward direction approximately through the second hinge shaft 8, so that the push-pull plate 4 pushes the latch rod 3 to withdraw from the front end of the latch box 1, after the handle 2 rotates forwards by a little more than 90 degrees, the spring 9 automatically rotates the handle 2 forwards to 180 degrees due to the upward elasticity of the spring 9 on the push-pull plate 4, at the moment, the handle 2 is attached to the top surface of the latch box 1 again, and the latch rod 3 is withdrawn to a position not to exceed the front end surface of the latch box 1.

Preferably, the hinge portion is two hinge lugs 11 disposed at the end portion of the push-pull plate 4, the two hinge lugs 11 are respectively disposed at the left and right sides of the end portion of the push-pull plate 4, and each hinge lug 11 is provided with a third shaft hole. Further, handle 2 on be provided with the fourth shaft hole that is used for installing second articulated shaft 8, second articulated shaft 8 wears to locate in the fourth shaft hole, and the both ends of second articulated shaft 8 are installed respectively in the third shaft hole that corresponds the side.

Preferably, one end of the push-pull plate 4 connected with the latch rod 3 is provided with a connecting plate 12 extending along the vertical direction, and the connecting plate 12 is fixedly connected with the latch rod 3.

Preferably, the latch box 1 is a shell with a lower opening, a spring cover plate 13 is installed at the bottom of the latch box 1, one end of the spring 9 abuts against the spring cover plate 13, and the other end of the spring 9 abuts against the bottom surface of the push-pull plate 4. Preferably, the spring 9 is a tower spring, a large diameter end of the tower spring abuts against the spring cover plate 13, and a small diameter end of the tower spring abuts against the bottom surface of the push-pull plate 4.

Further preferably, the left side and the right side of the spring cover plate 13 are provided with a connecting support plate 14, each connecting support plate 14 is provided with a fifth shaft hole for connecting the first hinge shaft 7, and the fifth shaft hole is sleeved on the first hinge shaft 7, so that the spring cover plate 13 is installed on the first hinge shaft 7.

The operation is convenient, and the function of automatic in-place is realized through the spring 9.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

Claims

1. The utility model provides a bolt is hidden to box-like which characterized in that: comprises a bolt box, a handle, a bolt rod and a push-pull plate, wherein a strip-shaped hole penetrating through the top surface is arranged on the top surface of the bolt box, the extending direction of the strip-shaped hole is taken as the front-back direction, a sliding hole used for installing the bolt rod is arranged on the front end surface of the bolt box, the bolt rod can be slidably arranged in the sliding hole along the front-back direction, the handle is arranged in the strip-shaped hole and is hinged with the bolt box through a first hinged shaft, the axis of the first hinged shaft extends along the left-right direction, one end of the handle far away from the first hinged shaft is positioned on the,

2. A box hidden latch as claimed in claim 1, wherein: the handle on be provided with the first shaft hole that is used for installing first articulated shaft, the left and right sides of bolt box all be provided with a second shaft hole that is used for installing first articulated shaft, first articulated shaft wears to locate in the first shaft hole, and the both ends of first articulated shaft are installed respectively in the second shaft hole that corresponds the side.

3. A box hidden bolt as claimed in claim 1 or 2, wherein: the second hinge shaft is positioned at the rear side of the first hinge shaft.

4. A box hidden latch as claimed in claim 1, wherein: the rear end of the push-pull plate exceeds the hinge portion, a first indicating mark is arranged on the portion, located on the rear side of the hinge portion and close to the hinge portion, of the upper surface of the push-pull plate, and a second indicating mark is arranged on the portion, located on the front side of the hinge portion and close to the hinge portion, of the upper surface of the push-pull plate.

5. A box hidden latch as claimed in claim 1, wherein: the top surface of the bolt box is provided with a handle groove matched with the handle, and one end of the handle, which is far away from the first hinge shaft, is positioned in the handle groove.

6. A box hidden latch as claimed in claim 1, wherein: the hinged part is two hinged support lugs arranged at the end part of the push-pull plate, the two hinged support lugs are respectively arranged at the left side and the right side of the end part of the push-pull plate, and each hinged support lug is provided with a third shaft hole.

7. A box hidden latch as claimed in claim 6, wherein: the handle on be provided with the fourth shaft hole that is used for installing the second articulated shaft, the second articulated shaft is worn to locate in the fourth shaft hole, and the both ends of second articulated shaft are installed respectively in the third shaft hole that corresponds the side.

8. A box hidden latch as claimed in claim 1, wherein: one end of the push-pull plate, which is connected with the bolt rod, is provided with a connecting plate which extends along the vertical direction and is fixedly connected with the bolt rod.

9. A box hidden latch as claimed in claim 1, wherein: the bolt box is a shell with a lower opening, a spring cover plate is installed at the bottom of the bolt box, one end of a spring abuts against the spring cover plate, and the other end of the spring abuts against the bottom surface of the push-pull plate.

10. A box hidden latch as claimed in claim 9, wherein: the left side and the right side of the spring cover plate are respectively provided with a connecting support plate, each connecting support plate is provided with a fifth shaft hole used for being connected with the first hinged shaft, and the fifth shaft holes are sleeved on the first hinged shaft.