CN219530104U

CN219530104U - C-shaped caliper

Info

Publication number: CN219530104U
Application number: CN202320777095.2U
Authority: CN
Inventors: 项炳林
Original assignee: Zhejiang Lisin Fluid Machinery Co ltd
Current assignee: Zhejiang Lisin Fluid Machinery Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-15
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a C-shaped caliper which comprises a left caliper body, a right caliper body, a jaw formed between the left caliper body and the right caliper body and a fastener connecting the left caliper body and the right caliper body, wherein the fastener drives the left caliper body to move towards the right caliper body, an offset structure enabling the left caliper body to move back to the jaw is arranged on the left caliper body, and the movement process of the left caliper body comprises a clamping stroke with a movement close to the right caliper body and a tensioning stroke with the connection of the clamping stroke to enable the left caliper body to move back to the jaw under the action of the offset structure. The utility model has the following advantages and effects: the utility model has better fastening effect and stronger practicability.

Description

C-shaped caliper

Technical Field

The utility model relates to a pipe fitting, in particular to a C-shaped caliper.

Background

The calipers are connectors for connecting grooved flanges and are used for tightening pipe joints. The bayonet structure on the calipers is used for being matched with the bolts to achieve the clamping and fastening purposes. The performance is good, and the installation is simple. The prior caliper structure is matched with bolts to only apply clamping fastening force to the flange, and no good fastening force exists in the vertical direction of clamping, so that dislocation phenomenon at the butt joint position is very easy to occur when the pipeline resonates in the fluid transmission process, and certain potential safety hazards exist in the generation of the dislocation phenomenon for a pipeline system under high-pressure severe working conditions. According to the above problems, the present utility model is developed.

Disclosure of Invention

The utility model aims to provide the C-shaped caliper with better fastening effect and stronger practicability.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a C type calliper, includes left portion pincers body, right portion pincers body, forms the jaw and connects the fastener of left portion pincers body and right portion pincers body between the left portion pincers body and the right portion pincers body, fastener drive left portion pincers body towards the right portion pincers body motion, be equipped with the offset structure that makes left portion pincers body back to jaw one side motion on the left portion pincers body, left portion pincers body motion process is including having the chucking stroke that is close to the motion of right portion pincers body and connect the chucking stroke and make the left portion pincers body back to the tensioning stroke of jaw one side motion under the offset structure effect.

Through adopting above-mentioned technical scheme, fastener drive left portion pincers body has chucking stroke and taut stroke towards the motion of right portion pincers body, and when left portion pincers body was located chucking stroke, left portion pincers body cooperation right portion pincers body realized pressing from both sides tightly, and when left portion pincers body was located taut stroke, left portion pincers body made left portion pincers body have the offset that moves away from keeping silent through the offset structure that sets up at the in-process that presss from both sides tightly, so cooperate around the multiunit calliper of flange to realize taut purpose, avoid the flange to take place the skew because of the vibration, fastening effect is better, the practicality is stronger.

Further provided is that: the fastener is the bolt, be formed with the through-hole that supplies the bolt to pass on the left portion pincers body, the bolt passes through-hole and right portion pincers body threaded connection, the offset structure is including forming the clearance that moves between through-hole and bolt and forming in the left portion pincers body and the offset piece of the cooperation right portion pincers body, the offset piece cooperates the right portion pincers body to control left portion pincers body and inclines to one side of keeping silent dorsad.

Through adopting above-mentioned technical scheme, the bolt drives left portion pincers body and offset piece and moves towards right portion pincers body together, when offset piece and right portion pincers body contact, controls left portion pincers body back to keep silent one side and remove through the cooperation between these two, reaches taut purpose. While the existing clearance provides the amount of travel for the deflection of the left clamp body.

Further provided is that: the offset block is arranged on one side surface of the left clamp body, which faces to the right clamp body, a first inclined surface is arranged at the position of the right clamp body, which contacts with the offset block, and a second inclined surface matched with the first inclined surface is formed on the offset block.

Through adopting above-mentioned technical scheme, the cooperation of first inclined plane and second inclined plane both is better the guide left portion clamp body back of body right side clamp body motion.

Further provided is that: the bolt is provided with a first driving part and a second driving part which are respectively used for driving the bolt to rotate, and the first driving part and the second driving part are different in structure and are matched with different tools.

Through adopting above-mentioned technical scheme, through first drive division, second drive division and the different instrument of bolt three matching, make the installer when fastening calliper, only need carry the instrument of matching any one of these three in first drive division, second drive division and the bolt just can accomplish the fastening operation of calliper, make its installation more convenient.

Further provided is that: the first driving part is a hexagonal hole arranged on the end face of the head of the bolt, the center of the hexagonal hole is coaxially arranged with the center of the circle of the bolt, and the second driving part is a cross groove arranged on the end face of the head of the bolt.

Through adopting above-mentioned technical scheme, the shape matching socket spanner of bolt, the shape matching cross screwdriver of second drive division and straight line screwdriver, the shape matching socket head cap wrench of first drive division for the installer just can realize the fastening purpose of this calliper with taking any kind of mounting tool among the above-mentioned, makes this calliper have better commonality and installation more convenient.

Further provided is that: the right pliers body is provided with a screw hole communicated with the screw hole wall.

Through adopting above-mentioned technical scheme, when the bolt takes place the jam at the in-process of disassembling, can be more convenient through the injection hole pour into looseness agent or rust remover into towards the screw to this realizes more convenient operation of disassembling.

In summary, the utility model has the following beneficial effects: the utility model has better fastening effect and stronger practicability.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

fig. 2 is a cross-sectional view of an embodiment.

In the figure: 1. a left clamp body; 2. a right clamp body; 3. a jaw; 4. a bolt; 5. a through hole; 6. a clearance gap; 7. an offset block; 8. a first inclined surface; 9. a second inclined surface; 10. a first driving section; 11. a second driving section; 12. a screw hole; 13. and an injection hole.

Description of the embodiments

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a C-shaped caliper includes a left caliper body 1, a right caliper body 2, jaws 3 formed between the left and right caliper bodies 1 and 2, and fasteners connecting the left and right caliper bodies 1 and 2. The left clamp body 1 is driven by a fastener to move towards the right clamp body 2, the left clamp body 1 is provided with an offset structure which enables the left clamp body 1 to move back to the jaw 3, and the moving process of the left clamp body 1 comprises a clamping stroke which is close to the movement of the right clamp body 2 and a tightening stroke which is connected with the clamping stroke and enables the left clamp body 1 to move back to the jaw 3 under the action of the offset structure.

The fastener is bolt 4, offer on the left portion pincers body 1 and be formed with the through-hole 5 that supplies bolt 4 to pass, bolt 4 passes through-hole 5 and right portion pincers body 2 threaded connection, and the offset structure is including forming the clearance 6 between through-hole 5 and bolt 4 and the skew piece 7 of an organic whole in the left portion pincers body 1 and cooperation right portion pincers body 2, and skew piece 7 cooperates right portion pincers body 2 to control left portion pincers body 1 back to keep silent 3 one side skew.

The offset block 7 is arranged on one side surface of the left clamp body 1 facing the right clamp body 2, a first inclined surface 8 is arranged at the position where the right clamp body 2 contacts the offset block 7, and a second inclined surface 9 matched with the first inclined surface 8 is arranged on the offset block 7. The bolt 4 is provided with a first driving part 10 and a second driving part 11 which are respectively used for driving the bolt 4 to rotate, and the first driving part 10 and the second driving part 11 are different in structure and matched with different tools. The first driving part 10 is a hexagonal hole arranged on the end face of the head of the bolt 4, the center of the hexagonal hole is coaxial with the center of the circle of the bolt 4, and the second driving part 11 is a cross groove arranged on the end face of the head of the bolt 4. The right clamp comprises a screw hole 12 which is formed on the right clamp body 2 and is in threaded connection with a bolt 4, and an injection hole 13 which is communicated with the wall of the screw hole 12 is formed on the outer wall of the right clamp body 2.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a C type calliper, includes left portion pincers body (1), right portion pincers body (2), forms jaw (3) and the fastener of connecting left portion pincers body (1) and right portion pincers body (2) between left portion pincers body (1) and right portion pincers body (2), fastener drive left portion pincers body (1) are towards right portion pincers body (2) motion, its characterized in that: the left clamp body (1) is provided with an offset structure which enables the left clamp body (1) to move back to one side of the jaw (3), and the moving process of the left clamp body (1) comprises a clamping stroke which is close to the movement of the right clamp body (2) and a tensioning stroke which is connected with the clamping stroke and enables the left clamp body (1) to move back to one side of the jaw (3) under the action of the offset structure.

2. A C-clamp according to claim 1, characterized in that: the fastener is bolt (4), be formed with through-hole (5) that supplies bolt (4) to pass on the left portion pincers body (1), bolt (4) pass through-hole (5) and right portion pincers body (2) threaded connection, offset structure is including forming movable gap (6) between through-hole (5) and bolt (4) and forming in the offset piece (7) of left portion pincers body (1) and cooperation right portion pincers body (2), offset piece (7) cooperation right portion pincers body (2) control left portion pincers body (1) and deviate from to keep silent (3) one side.

3. A C-clamp as claimed in claim 2, wherein: the offset block (7) is arranged on one side surface of the left clamp body (1) facing the right clamp body (2), a first inclined surface (8) is arranged at the position of the right clamp body (2) contacting the offset block (7), and a second inclined surface (9) matched with the first inclined surface (8) is formed on the offset block (7).

4. A C-clamp according to claim 1, characterized in that: the bolt (4) is provided with a first driving part (10) and a second driving part (11) which are respectively used for driving the bolt (4) to rotate, and the first driving part (10) and the second driving part (11) are different in structure and are matched with different tools.

5. The C-clamp of claim 4, wherein: the first driving part (10) is a hexagonal hole arranged on the end face of the head of the bolt (4), the center of the hexagonal hole is coaxial with the center of the circle of the bolt (4), and the second driving part (11) is a cross groove arranged on the end face of the head of the bolt (4).

6. A C-clamp as claimed in claim 2, wherein: the right clamp comprises a screw hole (12) which is formed in a right clamp body (2) and is in threaded connection with a bolt (4), and an injection hole (13) which is communicated with the wall of the screw hole (12) is formed in the outer wall of the right clamp body (2).