CN220389224U

CN220389224U - Positioning tool for smoke alarm base

Info

Publication number: CN220389224U
Application number: CN202322047542.1U
Authority: CN
Inventors: 胡波
Original assignee: Yihua Holding Group Co ltd
Current assignee: Yihua Holding Group Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-01-26
Anticipated expiration: 2033-07-31

Abstract

The utility model provides a positioning tool for a smoke alarm base, which comprises the following components: a work table; the clamping blocks are distributed around the base and slidably mounted on the workbench, and have initial positions separated from the base and positioning positions clamped with the base; the rotary ring can be horizontally and rotatably arranged on the workbench and is distributed at the periphery of the clamping blocks, a plurality of driving blocks which are arranged corresponding to the clamping blocks are arranged on the rotary ring, a matching structure is arranged between the driving blocks and the clamping blocks, and the matching structure is suitable for converting the rotation of the driving blocks into the linear movement of the clamping blocks. Therefore, the plurality of clamping blocks can be driven to act through the rotation of one rotating ring, compared with the prior art, the positioning tool is simple in structure, smaller in size, small in occupied space and low in production cost.

Description

Positioning tool for smoke alarm base

Technical Field

The utility model relates to the technical field of smoke alarms, in particular to a positioning tool for a base of a smoke alarm.

Background

The smoke alarm is an alarm for issuing alarm signals when fire occurs, and is mainly used in places such as factories, hotels, oil reservoirs and the like where fire is likely to occur, in particular large factories, inflammable and explosive factories, chemical industry factories, power plants, oil fields, oil refineries and the like.

The existing smoke alarm comprises a shell and a base arranged at the bottom of the shell, wherein a sensor is arranged in the shell, a smoke inlet is formed in the base, the shell and the base are made of plastics, the shell and the base are assembled through a riveting structure, the riveting structure comprises a plurality of through holes formed in the bottom surface of the shell, and connecting columns which are arranged on the base and correspond to the through holes. Because the base needs to be clamped and positioned during assembly, the clamping and positioning mechanism comprises a plurality of clamping pieces distributed around the base and a plurality of air cylinders used for driving the clamping pieces to clamp, namely, each clamping piece needs to be correspondingly provided with one air cylinder, and the clamping and positioning mechanism has the advantages of complex structure, high production cost and large occupied space.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the defects of complex structure, high production cost and large occupied space of the clamping and positioning mechanism in the prior art, thereby providing the positioning tool for the smoke alarm base, which has the advantages of simple structure, low production cost and small occupied space.

The utility model provides a positioning tool for a smoke alarm base, which comprises a workbench, a plurality of clamping blocks and a rotating ring, wherein the clamping blocks are distributed around the base, and are slidably arranged on the workbench and have an initial position separated from the base and a positioning position clamped with the base; the rotary ring can be horizontally and rotatably arranged on the workbench and is distributed on the periphery of a plurality of clamping blocks, a plurality of driving blocks which are arranged corresponding to the clamping blocks are arranged on the rotary ring, a matching structure is arranged between the driving blocks and the clamping blocks, and the matching structure is suitable for converting the rotation of the driving blocks into the linear movement of the clamping blocks.

The mating structure includes: the matching inclined plane or the matching cambered surface is arranged on one side of the clamping block, which faces the driving block, and is provided with a first end far away from the center of the rotating ring and a second end adjacent to the center of the rotating ring, and the driving block is in sliding contact with the matching inclined plane or the matching cambered surface.

The contact surface of the driving block and the matching inclined surface or the matching cambered surface is an arc-shaped surface.

And a first return spring adapted to drive the clamp block from the positioning position to the initial position.

The guide positioning structure comprises at least one guide groove arranged on the workbench and a guide column arranged on the clamping block and capable of sliding relative to the guide groove.

And a stop block which is propped against the top surface of the clamping block is also fixedly arranged on the workbench.

One of the stoppers can be abutted against the top surfaces of two adjacent clamping blocks.

And a first positioning structure for maintaining the rotating ring in a positioning state when the clamping block moves to the positioning position, wherein the first positioning structure comprises: the arc-shaped groove is arranged on the workbench; the ball screw comprises a screw rod arranged on the rotating ring, and balls arranged at the end part of the screw rod and propped against the arc-shaped groove, a spring is arranged in the screw rod, and the balls are correspondingly propped against the arc-shaped groove under the elastic acting force of the spring.

The rotating ring is provided with a handle extending outwards.

The technical scheme of the utility model has the following advantages:

1. the positioning tool provided by the utility model comprises a workbench, a plurality of clamping blocks and a rotating ring, wherein the rotating ring is horizontally rotatably arranged on the workbench and distributed on the periphery of the clamping blocks, a plurality of driving blocks which are arranged corresponding to the clamping blocks are arranged on the rotating ring, a matching structure is arranged between the driving blocks and the clamping blocks, and the matching structure is suitable for converting the rotation of the driving blocks into the linear movement of the clamping blocks, so that the clamping blocks can be driven to act through the rotation of one rotating ring.

2. The utility model provides a positioning tool, which comprises the following matching structures: the matching inclined plane or the matching cambered surface is arranged on one side of the clamping block facing the driving block, the matching inclined plane or the matching cambered surface is provided with a first end far away from the center of the rotating ring and a second end close to the center of the rotating ring, and the driving block is in sliding contact with the matching inclined plane or the matching cambered surface. In the clamping process, the driving block rotates along with the rotating ring, the distance between the driving block and the center of the rotating ring is unchanged, the driving block is contacted with the second end of the matching inclined plane first and slides to the first end along the matching inclined plane, so that the driving clamping block moves towards a position close to the center of the rotating ring to clamp the base, and the matching structure has the advantage of being simple in structure.

3. The utility model provides a positioning tool, a first positioning structure comprises: the arc-shaped groove is arranged on the workbench; the ball screw comprises a screw rod arranged on the rotating ring and balls arranged at the end part of the screw rod and propped against the arc-shaped groove, a spring is arranged in the screw rod, and the balls are correspondingly propped against the arc-shaped groove under the elastic acting force of the spring, so that the rotating ring is ensured to be kept in a positioning state.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a positioning tool and a smoke alarm base of the present utility model;

FIG. 2 is a perspective view of a portion of the positioning tooling and the smoke alarm base;

fig. 3 is a perspective view of a part of the positioning tool.

Reference numerals illustrate: 1. a work table; 2. clamping blocks; 3. a base; 4. a rotating ring; 5. a driving block; 6. matching with the inclined plane; 7. a first end; 8. a second end; 9. a guide groove; 10. a guide post; 11. a stop block; 12. an arc-shaped groove; 13. a wave bead screw; 16. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Examples

The embodiment provides a positioning tool for a smoke alarm base, which is shown in fig. 1 and comprises a workbench 1, a clamping block 2, a rotating ring 4 and a stop block 11.

The workbench 1 is suitable for mounting a base 3.

A plurality of clamping blocks 2 distributed around the base 3, wherein the clamping blocks 2 are slidably mounted on the workbench 1 and have an initial position separated from the base 3 and a positioning position clamped with the base 3. The clamping block 2 and the workbench 1 are provided with a guiding and positioning structure, as shown in fig. 2 and 3, the guiding and positioning structure comprises two guiding grooves 9 arranged on the workbench 1, a guiding column 10 arranged on the clamping block 2 and capable of sliding relative to the guiding grooves 9, and a first reset spring (not shown in the figure) suitable for driving the clamping block 2 to move from the positioning position to the initial position, wherein one end of the first reset spring is arranged in the guiding groove 9, the other end of the first reset spring is propped against the inner wall of the guiding groove 9, and the other end of the first reset spring is propped against the guiding column 10. And a first positioning structure for maintaining the rotating ring 4 in a positioned state when the clamping block 2 moves to the positioning position, as shown in fig. 1, the first positioning structure includes: an arc-shaped groove 12 arranged on the workbench 1; the ball screw 13 comprises a screw rod arranged on the rotating ring 4, and balls arranged at the end part of the screw rod and propped against the arc-shaped groove 12, a spring is arranged in the screw rod, and the balls are correspondingly propped against the arc-shaped groove 12 under the elastic acting force of the spring.

The rotating ring 4 is horizontally rotatably installed on the workbench 1 and distributed on the periphery of a plurality of clamping blocks 2, as shown in fig. 2 and 3, a plurality of driving blocks 5 corresponding to the clamping blocks 2 are arranged on the rotating ring 4, a matching structure is arranged between the driving blocks 5 and the clamping blocks 2, and the matching structure is suitable for converting the rotation of the driving blocks 5 into the linear movement of the clamping blocks 2. The mating structure includes: the matching inclined surface 6 or the matching cambered surface is arranged on one side of the clamping block 2 facing the driving block 5, the matching inclined surface 6 or the matching cambered surface is provided with a first end 7 far away from the center of the rotating ring 4 and a second end 8 adjacent to the center of the rotating ring 4, and the driving block 5 is in sliding contact with the matching inclined surface 6 or the matching cambered surface. In this embodiment, the contact surface between the driving block 5 and the mating inclined surface 6 or the mating cambered surface is an arc surface. The swivel ring 4 has an outwardly extending handle 16 thereon.

The stop block 11 is fixed on the workbench 1, and the clamping blocks 2 can be abutted against the top surfaces of the two adjacent clamping blocks 2.

The positioning tool provided by the utility model comprises a workbench 1, a plurality of clamping blocks 2 and a rotating ring 4, wherein the rotating ring 4 can be horizontally and rotatably arranged on the workbench 1 and is distributed on the periphery of the clamping blocks 2, a plurality of driving blocks 5 which are arranged corresponding to the clamping blocks 2 are arranged on the rotating ring 4, a matching structure is arranged between the driving blocks 5 and the clamping blocks 2, the matching structure is suitable for converting the rotation of the driving blocks 5 into the linear movement of the clamping blocks 2, and thus the plurality of clamping blocks 2 can be driven to act through the rotation of one rotating ring 4.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. The utility model provides a location frock of smoke alarm base which characterized in that includes:

a work table (1);

a plurality of clamping blocks (2) distributed around the base (3), wherein the clamping blocks (2) are slidably arranged on the workbench (1) and have an initial position separated from the base (3) and a positioning position clamped with the base (3);

the rotary ring (4) can be horizontally and rotatably arranged on the workbench (1) and is distributed on the periphery of the clamping blocks (2), a plurality of driving blocks (5) which are correspondingly arranged with the clamping blocks (2) are arranged on the rotary ring (4), a matching structure is arranged between the driving blocks (5) and the clamping blocks (2), and the matching structure is suitable for converting the rotation of the driving blocks (5) into the linear movement of the clamping blocks (2).

2. The smoke alarm base positioning fixture of claim 1 wherein said mating structure comprises:

the matching inclined surface (6) or the matching cambered surface is arranged on one side of the clamping block (2) facing the driving block (5), the matching inclined surface (6) or the matching cambered surface is provided with a first end (7) far away from the center of the rotating ring (4) and a second end (8) near to the center of the rotating ring (4), and the driving block (5) is in sliding contact with the matching inclined surface (6) or the matching cambered surface.

3. The positioning tool of a smoke alarm base according to claim 2, wherein the contact surface of the driving block (5) and the matching inclined surface (6) or the matching cambered surface is an arc-shaped surface.

4. A positioning fixture for a smoke alarm base according to any one of claims 1-3, further comprising a first return spring adapted to drive said clamping block (2) from said positioning position to said initial position.

5. The positioning tool of a smoke alarm base according to claim 4, wherein a guiding and positioning structure is arranged between the clamping block (2) and the workbench (1), the guiding and positioning structure comprises at least one guiding groove (9) arranged on the workbench (1), and a guiding column (10) arranged on the clamping block (2) and capable of sliding relative to the guiding groove (9).

6. The positioning tool of the smoke alarm base according to claim 1, wherein a stop block (11) which is propped against the top surface of the clamping block (2) is further fixedly arranged on the workbench (1).

7. A smoke alarm base positioning fixture according to claim 6, characterized in that one of said stops (11) is arranged against the top surface of two of said clamping blocks (2) arranged adjacently.

8. A positioning fixture for a smoke alarm base according to claim 1, further comprising a first positioning structure for holding said rotating ring (4) in a positioned state when said clamping block (2) is moved to said positioning position, said first positioning structure comprising:

an arc-shaped groove (12) arranged on the workbench (1);

the ball screw (13) comprises a screw rod arranged on the rotating ring (4), and balls arranged at the end part of the screw rod and propped against the arc-shaped groove (12), a spring is arranged in the screw rod, and the balls are correspondingly propped against the arc-shaped groove (12) under the elastic acting force of the spring.

9. A smoke alarm base positioning fixture according to claim 1, characterised in that the swivel ring (4) has an outwardly extending handle (16).