Fixing clamp

Abstract

The utility model provides a fixing clamp which comprises an upper clamping unit and a lower clamping unit which are matched in an inserted mode, the lower clamping unit is detachably connected with an adjusting unit, and the distance between a lower clamping jaw in the lower clamping unit and an upper clamping jaw in the upper clamping unit is adjusted through the adjusting unit. The adjusting unit is provided with an adjusting handle. By means of the adjusting unit, the distance between the lower clamping jaw and the upper clamping jaw can be conveniently adjusted to adapt to workpieces of different sizes or shapes, and applicability is improved; due to the design of the adjusting handle, operation is simpler, the clamping distance can be rapidly adjusted without additional tools, and efficiency is improved; the upper clamping unit and the lower clamping unit are matched in an inserted mode to ensure stable clamping, and the workpieces are prevented from loosening or falling off in the operation process. The device is compact in overall design, simple in structure, small in occupied space and convenient to carry and store.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, and specifically relates to a fixed clamp. BACKGROUND

[0002] In engineering maintenance, building construction and daily operation, the fixed clamp is an indispensable tool for stabilizing objects or equipment to ensure the safety and accuracy of operation. However, the existing fixed clamp has many limitations in practical application. Although the traditional large fixed device can provide strong stability, it is bulky, heavy and complex in structure, which makes it inconvenient to carry and install. This is particularly prominent in outdoor high-altitude work, narrow space maintenance or scenes that need to be moved frequently, which not only increases the labor intensity of the operator, but also reduces the work efficiency. In addition, the adaptability of the traditional fixed clamp is poor, and it is difficult to flexibly cope with objects of different shapes and sizes, limiting its versatility.

[0003] For example, a double-screw free-lift clamping fixed clamp disclosed in the Chinese Utility Model Patent with the authorization announcement number CN211638593U includes a base, a chuck, an upper screw, a lower screw, and a gantry. The gantry is installed on the base, and the upper screw is provided on the gantry beam. The upper screw is connected to the gantry through a nut. The lower end of the upper screw is fixedly connected to the chuck, and the chuck passes through the center of the gantry. A lower screw is provided on one side of the chuck. The lower end of the lower screw passes through the base, and the lower screw is connected to the base and the chuck through nuts. The upper screw is threadedly connected to the gantry to drive the chuck to move up and down. The upper screw and the chuck are connected to each other, and the rotation of the upper screw does not affect the fixation of the chuck. The upper and lower screws jointly fix the chuck.

[0004] The upper and lower screws in the above-mentioned prior art can be freely adjusted according to the size of the clamped workpiece, the clamped position, and the size of the clamped space, but have the following shortcomings:

[0005] 1. The design of the double screw increases the complexity of the structure, and more operation steps and time cost are needed during installation and adjustment;

[0006] 2. The design of the double screw requires the operator to adjust the upper screw and the lower screw at the same time, increasing the complexity of the operation, especially in the case of frequent adjustment, reducing the work efficiency;

[0007] 3. When adjusting the height, the screw needs to be rotated, but there is no component on the screw to facilitate rotation, which brings inconvenience to the rotation of the screw.

[0008] Therefore, how to effectively solve the problems of complex structure, low work efficiency, and inconvenient screw rotation of the device is a technical problem to be solved. UTILITY MODEL CONTENTS

[0009] The utility model provides a fixed fixture, solved the device's structure complex, low working efficiency, screw rod inconvenient rotation's problem.

[0010] The technical scheme of the present application is:

[0011] A kind of fixed fixture, including the upper clamping unit and lower clamping unit of plug-in cooperation, the lower clamping unit is detachably connected with adjusting unit, the distance between the lower clamping jaw in the lower clamping unit and the upper clamping jaw in the upper clamping unit is adjusted by the adjusting unit, the adjusting handle is provided with adjusting unit.The utility model can conveniently adjust the distance between lower clamping jaw and upper clamping jaw by adjusting unit, adapt to different sizes or shapes of workpiece, improve applicability;The design of adjusting handle makes operation more simple, can be quickly adjusted clamping distance without additional tools, improve efficiency;The plug-in cooperation of upper clamping unit and lower clamping unit ensures clamping firm, prevents workpiece from loosening or falling off in the operation process;Overall design is compact, simple structure, small space occupation, convenient to carry and store.

[0012] Further, the upper clamping unit includes a rectangular sleeve one, the side of the rectangular sleeve one is connected with the upper clamping jaw, and the top of the rectangular sleeve one is provided with a hole for the adjusting unit to pass through.

[0013] Further, the lower clamping unit includes a rectangular sleeve two that is plug-in cooperated with the rectangular sleeve one, the outer surface of the rectangular sleeve two is attached to the inner surface of the rectangular sleeve one, the side of the rectangular sleeve two is connected with the lower clamping jaw, and the top of the rectangular sleeve two is provided with a bolt hole that is threadedly matched with the adjusting unit.

[0014] Further, the adjusting unit includes an external threaded rod, the bottom of the external threaded rod passes through the hole and is threadedly matched with the bolt hole, so that the external threaded rod rotates clockwise or counterclockwise, and the clamping unit moves upward or downward, and the distance between the upper clamping jaw and the lower clamping jaw decreases or increases.

[0015] Further, the adjusting handle is arranged at the top of the external threaded rod, which is convenient for the operator to hold and apply a rotating force.

[0016] Further, the external threaded rod is provided with a stop piece that prevents the external threaded rod from disengaging from the rectangular sleeve one, and the stop piece is used to adjust the vibration generated during the adjustment of the external threaded rod, and has the effects of buffering, shock absorption, and fixation.

[0017] Further, a bearing ring is sleeved on the external threaded rod, the bearing ring is arranged between the rectangular sleeve one and the adjusting handle, and the bearing ring facilitates the rotation of the device without being stuck.

[0018] Further, a collar is arranged between the bearing ring and the adjusting handle to position the bearing ring and control the over-rotation of the externally threaded rod.

[0019] Further, the clamping surfaces of the upper and lower clamping jaws are provided with anti-skid pads, effectively enhancing the friction between the upper and lower clamping jaws and the fixed object.

[0020] Further, the side surface of the rectangular sleeve two is provided with a scale, the upper surface of the lower clamping jaw is flush with the scale, and the lower surface of the upper clamping jaw is flush with the lower surface of the rectangular sleeve one. The size of the fixed object can be detected to see whether it meets the standard or the specific measurement of the size of the fixed object, which is convenient and fast, and does not need to use other measuring tools.

[0021] The specific beneficial effects of the utility model include:

[0022] 1. The adjusting unit can conveniently adjust the distance between the lower and upper clamping jaws, adapt to workpieces of different sizes or shapes, and improve the applicability.

[0023] 2. The adjusting handle makes the operation more simple, and the clamping distance can be quickly adjusted without additional tools, improving the efficiency.

[0024] 3. The plug-in connection of the upper and lower clamping units ensures stable clamping and prevents the workpiece from loosening or falling off during the operation.

[0025] 4. The utility model has compact overall design, simple structure, small space occupation, and is convenient to carry and store. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0027] Figure 1 It is a perspective view of the utility model;

[0028] Figure 2 It is a sectional view of the utility model;

[0029] Figure 3 It is a schematic view of the upper clamping unit in the utility model;

[0030] Figure 4 It is a schematic view of the lower clamping unit in the utility model;

[0031] Figure 5This is a schematic diagram of the adjustment unit in this utility model.

[0032] Explanation of icon numbers:

[0033] 1. Upper clamping unit; 2. Lower clamping unit;

[0034] 3. Adjustment unit;

[0035] 11. Upper clamping jaw; 13. Rectangular sleeve one; 14. Hole;

[0036] 21. Lower clamping jaw; 22. Rectangular sleeve two; 23. Bolt hole;

[0037] 31. Adjusting handle; 32. External threaded rod;

[0038] 33. Stop plate; 34. Bearing ring; 35. Collar;

[0039] 36. Anti-slip mat;

[0040] 37. Ruler. Detailed Implementation

[0041] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0042] A type of fixing clamp, such as Figure 1 , Figure 2 As shown, the device includes an upper clamping unit 1 and a lower clamping unit 2 that are interlocked. The lower clamping unit 2 is detachably connected to an adjustment unit 3. The distance between the lower jaw 21 in the lower clamping unit 2 and the upper jaw 11 in the upper clamping unit 1 is adjusted by the adjustment unit 3. The adjustment unit 3 is equipped with an adjustment handle 31. This invention allows for convenient adjustment of the distance between the lower jaw 21 and the upper jaw 11 through the adjustment unit 3, adapting to workpieces of different sizes or shapes and improving applicability. The design of the adjustment handle 31 simplifies operation, allowing for quick adjustment of the clamping distance without additional tools, thus improving efficiency. The interlocking of the upper clamping unit 1 and the lower clamping unit 2 ensures stable clamping, preventing the workpiece from loosening or falling off during operation. The overall design is compact, simple in structure, occupies little space, and is easy to carry and store.

[0043] On the basis of the above-mentioned embodiment, as a preferred embodiment, the upper clamping unit 1 comprises a rectangular sleeve 13, the side surface of the rectangular sleeve 13 is connected with the upper clamping jaw 11, and the top of the rectangular sleeve 13 is provided with a hole 14 through which the adjusting unit 3 passes, as shown in Figure 3

[0044] On the basis of the above-mentioned embodiment, as a preferred embodiment, the lower clamping unit 2 comprises a rectangular sleeve 22 which is inserted into the rectangular sleeve 13, the outer surface of the rectangular sleeve 22 is in close contact with the inner surface of the rectangular sleeve 13, the side surface of the rectangular sleeve 22 is connected with the lower clamping jaw 21, and the top of the rectangular sleeve 22 is provided with a bolt hole 23 which is screwed with the adjusting unit 3, as shown in Figure 4

[0045] Specifically, the rectangular sleeve 13 and the rectangular sleeve 22 are made of aluminum alloy square tube, and the upper clamping jaw 11 and the lower clamping jaw 21 are made of light weight and high strength aluminum alloy material which is extruded. This material has the characteristics of low density and high strength, which can not only ensure that the fixture does not deform under certain pressure, but also significantly reduce the overall weight and facilitate carrying.

[0046] On the basis of the above-mentioned embodiment, as a preferred embodiment, the adjusting unit 3 comprises an external threaded rod 32, the bottom of the external threaded rod 32 passes through the hole 14 and is screwed with the bolt hole 23. By rotating the external threaded rod 32 clockwise or counterclockwise, the clamping unit 2 moves upward or downward, and the distance between the upper clamping jaw 11 and the lower clamping jaw 21 decreases or increases.

[0047] On the basis of the above-mentioned embodiment, as a preferred embodiment, the adjusting handle 31 is arranged at the top of the external threaded rod 32.

[0048] Specifically, the adjusting handle 31 is made of steel and has a non-slip pattern on the surface to facilitate the operator to hold and apply rotational force. By rotating the external threaded rod 32 through the adjusting handle 31, the opening and closing degree between the upper clamping jaw 11 and the lower clamping jaw 21 can be accurately controlled, so as to adapt to different sizes of the fixed objects and achieve flexible fixation.

[0049] On the basis of the above-mentioned embodiment, as a preferred embodiment, the external threaded rod 32 is provided with a stop piece 33 which prevents the external threaded rod 32 from being separated from the rectangular sleeve 13, as shown in Figure 5 The stop piece 33 is used to adjust the vibration generated during the adjustment of the external threaded rod 32, and has the effects of buffering, shock absorption and fixation.

[0050] ​​Based on the above embodiments, as a preferred embodiment, a bearing ring 34 is fitted onto the external threaded rod 32, and the bearing ring 34 is disposed between the rectangular sleeve 13 and the adjusting handle 31. The bearing ring 34 helps prevent the rotation of the device from being jammed, making it easier and less strenuous.

[0051] Based on the above embodiments, as a preferred embodiment, a collar 35 is provided between the bearing ring 34 and the adjusting handle 31.

[0052] Specifically, the inner wall of the collar 35 is provided with threads, which are threaded together with the external threaded rod 32 to position the bearing ring 34 and control the external threaded rod 32 to over-rotate.

[0053] Based on the above embodiments, as a preferred embodiment, both the upper jaw 11 and the lower jaw 21 are provided with anti-slip pads 36 on their clamping surfaces.

[0054] Specifically, such as Figure 4 As shown, the anti-slip pad 36 is zigzag-shaped and uses a high-friction rubber pad. The rubber pad is made of nitrile rubber, which is resistant to high temperature, wear and has good flexibility. It can not only increase the friction between the object being fixed and effectively prevent the object from sliding during the fixing process, but also avoid scratches or indentations on the surface of the object being fixed, thus protecting the object being fixed. The anti-slip pad 36 effectively strengthens the friction between the upper clamp 11, the lower clamp 21 and the object being fixed.

[0055] Alternatively, the upper jaw 11 and the lower jaw 21 are each welded with matching iron plate slots. The slots are designed as slightly curved grooves to better fit round or cylindrical objects, while also accommodating the fixing needs of square or polygonal objects. Anti-slip pads 36 are evenly adhered to the inner wall of the slots.

[0056] Based on the above embodiments, as a preferred embodiment, a scale 37 is provided on the side of the second rectangular sleeve 22, the upper surface of the lower jaw 21 is flush with the 0-degree mark of the scale 37, and the lower surface of the upper jaw 11 is flush with the lower surface of the first rectangular sleeve 13. This allows for the detection of whether the dimensions of the fixed object conform to the standard or for the specific measurement of the dimensions of the fixed object, which is convenient and quick, without the need for other measuring tools.

[0057] The method of using this utility model is as follows:

[0058] 1、The operator carries the portable movable fixing fixture to the work site, according to the actual size and shape of the fixed object, the operator rotates the adjusting handle 31 on the outer threaded rod 32 by hand, drives the upper clamping jaw 11 and the lower clamping jaw 21 to open and close, and adjusts the opening size.

[0059] 2, Then the fixed object is placed between the upper clamping jaw 11 and the lower clamping jaw 21, and the object is in close contact with the non-slip pad 36 on the lower surface of the upper clamping jaw 11 and the non-slip pad 36 on the upper surface of the lower clamping jaw 21.

[0060] 3, Rotate the outer threaded rod 32 again, so that the upper clamping jaw 11 and the lower clamping jaw 21 gradually clamp the object, until the fixed object is stably fixed between the upper clamping jaw 11 and the lower clamping jaw 21, the rubber pad 36 is tightly attached to the surface of the object, providing sufficient friction and buffer protection, preventing the object from moving or shaking during operation.

[0061] 4, After completing the fixing operation of the object, the operator can perform subsequent operations such as welding, drilling, splicing, etc. When the operation is completed, only the outer threaded rod 32 is rotated in the opposite direction, the clamping of the upper clamping jaw 11 and the lower clamping jaw 21 on the object is released, and the fixed object can be conveniently and quickly removed, and then the portable movable fixing fixture can be ready for the next fixing operation at any time.

[0062] The portable movable fixing fixture has the advantages of simple and compact structure, easy operation, convenient carrying, reliable fixing, etc., can be widely applied to various work sites requiring temporary fixing of objects, effectively improves work efficiency and quality, and has high practical value and market prospect.

[0063] The details of the portable movable fixing fixture are conventional technical means known to those skilled in the art.

[0064] The above content shows and describes the basic principles, main features and beneficial effects of the portable movable fixing fixture. The above description is only a preferred embodiment of the portable movable fixing fixture, and is not used to limit the portable movable fixing fixture. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the portable movable fixing fixture should be included in the protection scope of the portable movable fixing fixture.

Claims

1. A fixture, characterized by: The upper clamping unit (1) and the lower clamping unit (2) are connected by plug-in, the lower clamping unit (2) is detachably connected with the adjusting unit (3), the distance between the lower clamping jaw (21) in the lower clamping unit (2) and the upper clamping jaw (11) in the upper clamping unit (1) is adjusted by the adjusting unit (3), the adjusting unit (3) is provided with an adjusting handle (31); the upper clamping unit (1) comprises a rectangular sleeve one (13), the side surface of the rectangular sleeve one (13) is connected with the upper clamping jaw (11), the top of the rectangular sleeve one (13) is provided with a hole (14) for the adjusting unit (3) to pass through; the lower clamping unit (2) comprises a rectangular sleeve two (22) which is plug-in matched with the rectangular sleeve one (13), the outer surface of the rectangular sleeve two (22) is attached to the inner surface of the rectangular sleeve one (13), the side surface of the rectangular sleeve two (22) is connected with the lower clamping jaw (21), the top of the rectangular sleeve two (22) is provided with a bolt hole (23) which is threadedly matched with the adjusting unit (3); the adjusting unit (3) comprises an externally threaded rod (32), the bottom of the externally threaded rod (32) passes through the hole (14) and is threadedly matched with the bolt hole (23).

2. The fixture of claim 1, wherein: The adjusting handle (31) is arranged on the top of the externally threaded rod (32).

3. A fixture as claimed in claim 1 or 2, characterized in that: The externally threaded rod (32) is provided with a stop piece (33) which prevents the externally threaded rod (32) from being separated from the rectangular sleeve one (13).

4. The fixture of claim 1 or 2, wherein: The externally threaded rod (32) is sleeved with a bearing ring (34), and the bearing ring (34) is arranged between the rectangular sleeve one (13) and the adjusting handle (31).

5. The fixture of claim 4, wherein: A sleeve ring (35) is arranged between the bearing ring (34) and the adjusting handle (31).

6. The fixture of any of claims 1-2, 5, wherein: The clamping surfaces of the upper clamping jaw (11) and the lower clamping jaw (21) are provided with anti-skid pads (36).

7. The fixture of any of claims 1-2, 5, wherein: The side surface of the rectangular sleeve two (22) is provided with a scale (37), the upper surface of the lower clamping jaw (21) is flush with 0 degree of the scale (37), and the lower surface of the upper clamping jaw (11) is flush with the lower surface of the rectangular sleeve one (13).

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