Constant temperature cover for gauge block comparator

Abstract

The utility model belongs to the technical field of gauge block comparators, and discloses a constant temperature cover for a gauge block comparator, which comprises a comparator body, a bottom cover is detachably arranged on a detection table of the comparator body, a top cover is detachably arranged on a detection head of the comparator body, and the top cover is slidably arranged in the bottom cover. An operation opening is formed in the front face of the bottom cover, a glove extending into the bottom cover is fixedly connected to the inner wall of the operation opening, and a blocking cover is movably arranged on the right side face of the bottom cover. According to the utility model, the bottom cover can be directly downwards inserted into the mounting seat for fixation, then the top cover is rotated on the external threaded pipe through the internal threaded pipe, the top cover can be fixed, and the top cover can protect the detection head of the comparator body, so that the constant temperature cover is more convenient to mount, and the mounting efficiency is improved. The occupied space of the installed constant-temperature cover cannot be increased, then the shifting plate is shifted to drive the blocking cover to move upwards, and the positioning plate is positioned through the limiting plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of gauge block comparators, in particular to a constant temperature cover for gauge block comparators. Background Art

[0002] The gauge block comparator is a measuring instrument for measuring the length of gauge blocks by comparison. In precision displacement measurement, more than % of gauge block measurements are comparative measurements. The Ubbelohde interferometer or other types of comparative measuring instruments are used to measure the length difference of two measured pieces to obtain the measurement result, which is widely used in the field of metrology.

[0003] According to the patent number CN208839607U, a constant temperature cover for a gauge block comparator is disclosed, including a transparent cover body, the transparent cover body has a downwardly opening accommodating cavity, a thermometer is fixed in the accommodating cavity, a left operating slot and a right operating slot for a hand to be inserted are arranged at the front end of the transparent cover body, the left operating slot is arranged horizontally, and the right operating slot is arranged vertically, and a notch connected to the accommodating cavity is also arranged on one side of the transparent cover body, and a sealing cover can be movably covered at the notch; the advantages are simple structure, ability to maintain relative stability of atmospheric flow and temperature, and accurate calibration results.

[0004] Although the above disclosed device can maintain the relative stability of atmospheric flow and temperature of the gauge block during detection, so that the calibration result is accurate, the constant temperature cover directly places the gauge block comparator inside for use, which not only increases the occupied space of the overall device, but also in actual operation, the operating space of personnel in the constant temperature cover is relatively small, which reduces the flexibility of operation and further reduces the practicality of the constant temperature cover. To this end, we provide a constant temperature cover for a gauge block comparator to solve the above problems. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a constant temperature cover for a gauge block comparator.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a constant temperature cover for a gauge block comparator, comprising a comparator body, a bottom cover detachably provided on the detection table of the comparator body, a top cover detachably provided on the detection head of the comparator body, and the top cover is slidably arranged in the bottom cover, an operating port is provided on the front side of the bottom cover, a glove extending into the bottom cover is fixedly connected to the inner wall of the operating port, and a blocking cover is movably arranged on the right side of the bottom cover.

[0007] In the above technical solution, preferably, a mounting seat is fixedly connected to the detection platform of the comparator body, and the bottom end of the bottom cover is inserted into the mounting seat.

[0008] In the above technical solution, preferably, a rubber clip is fixedly connected to the inner wall of the mounting seat, and a groove matching the rubber clip is formed at the bottom end of the mounting seat.

[0009] In the above technical solution, preferably, an external threaded tube is fixedly connected to the surface of the detection head of the comparator body, an internal threaded tube is rotatably connected to the middle of the top cover, and the internal threaded tube is threadedly connected to the external threaded tube.

[0010] In the above technical solution, preferably, a storage groove is provided above the blocking cover, and the storage groove is opened in the bottom cover, the top end of the blocking cover slides in the storage groove and is fixedly connected to a plurality of second compression springs, and the top end of each of the second compression springs is fixedly connected to the inner top wall of the storage groove.

[0011] In the above technical solution, preferably, a shift plate is fixedly connected to the surface of the baffle cover, a positioning plate is fixedly connected to the shift plate, a limiting plate adapted to the positioning plate is hingedly connected to the right side surface of the bottom cover, a first compression spring is fixedly connected to the top end of the limiting plate, and one end of the first compression spring is fixedly connected to the surface of the bottom cover.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model can directly insert the bottom cover downward into the mounting seat for fixing through the matching arrangement of the mounting seat, the bottom cover, the top cover, the external threaded tube, the internal threaded tube, the rubber clip and the groove, and then the top cover is rotated on the external threaded tube through the internal threaded tube to complete the fixing of the top cover, and the top cover can protect the detection head of the comparator body, so that the installation of the constant temperature cover is more convenient, and the constant temperature cover after installation will not increase the occupied space, and then the toggle plate drives the baffle cover to move upward, so that the positioning plate is positioned by the limit plate, and then the personnel takes the gauge block with the right hand and places it on the detection table of the comparator body, and then the top end of the limit plate can be pressed to release the limit of the positioning plate, so that the baffle cover automatically slides downward to close the bottom cover, thereby ensuring that the gauge block between the bottom cover and the top cover is in a stable environment, and then the personnel's left hand can be put into the glove through the operating mouth to move the gauge block, and at this time the personnel's right hand can control the comparator body to descend to detect the gauge block, and the personnel's right hand is also convenient for recording the detection results, which effectively improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model without the top cover;

[0016] Figure 3 This is a schematic diagram of the structure of the utility model without the bottom cover and the top cover;

[0017] Figure 4 This is a schematic diagram of the bottom cover of the utility model when viewed from above;

[0018] Figure 5 It is a partial cross-sectional side view of the bottom cover of the utility model;

[0019] Figure 6 It is a side cross-sectional schematic diagram of the utility model;

[0020] Figure 7 For this utility model Figure 1 A magnified schematic diagram of the structure in the middle.

[0021] In the figure: 1. Comparator body; 2. Mounting seat; 3. Operation port; 4. Bottom cover; 5. Top cover; 6. Internally threaded tube; 7. Block cover; 8. Paddle plate; 9. Positioning plate; 10. Limit plate; 11. First compression spring; 12. Second compression spring; 13. Externally threaded tube; 14. Rubber clip; 15. Gloves; 16. Groove; 17. Storage slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 7 As shown, the utility model provides a constant temperature cover for a gauge block comparator, including a comparator body 1, a bottom cover 4 is detachably provided on the detection table of the comparator body 1, and the bottom cover 4 has the effect of being easy to disassemble and assemble on the comparator body 1, and a top cover 5 is detachably provided on the detection head of the comparator body 1, so that the top cover 5 has the effect of being easy to disassemble and assemble on the detection head of the comparator body 1, and the top cover 5 is slidably arranged in the bottom cover 4, and the top cover 5 and the bottom cover 4 are both transparent, so that the bottom cover 4 and the top cover 5 are used in conjunction with each other, so when the detection head of the comparator body 1 is downwardly detecting the gauge block, the top cover 5 is also The bottom cover 4 and the top cover 5 are moved downward together and slide on the inner wall of the bottom cover 4 to ensure the airtightness between the bottom cover 4 and the top cover 5. The inner wall of the bottom cover 4 is provided with a thermometer (not shown in the figure). The front of the bottom cover 4 is provided with an operation port 3. The inner wall of the operation port 3 is fixedly connected with a glove 15 extending into the bottom cover 4, so that a person can put his palm into the glove 15 through the operation port 3, so as to operate the gauge block in the bottom cover 4. A baffle 7 is movably provided on the right side of the bottom cover 4. The baffle 7 is provided to facilitate the person to take and put the gauge block. The machinery, parts and equipment in this device all adopt conventional models in the prior art.

[0024] like Figure 1 , Figure 2 and Figure 6As shown, a mounting base 2 is fixedly connected to the detection table of the comparator body 1, and the bottom end of the bottom cover 4 is inserted into the mounting base 2. Through the setting of the mounting base 2, a sealing effect can be achieved on the bottom end of the bottom cover 4, and it is also convenient to position the bottom cover 4 to prevent the bottom cover 4 from sliding at will.

[0025] like Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, a rubber clip 14 is fixedly connected to the inner wall of the mounting base 2, and a groove 16 adapted to the rubber clip 14 is opened at the bottom end of the mounting base 2. Through the setting of the rubber clip 14 and the groove 16, the bottom end of the bottom cover 4 can be limited to prevent the bottom cover 4 from easily detaching from the mounting base 2, and the bottom cover 4 only needs to be pulled upwards when being removed.

[0026] like Figure 1 , Figure 2 , Figure 3 and Figure 6 As shown, the surface of the detection head of the comparator body 1 is fixedly connected with an external threaded tube 13, the middle part of the top cover 5 is rotatably connected with an internal threaded tube 6, and the internal threaded tube 6 is threadedly connected to the external threaded tube 13. Through the setting of the above structure, the detachable effect of the top cover 5 is achieved. When removing the top cover 5, first move the detection head of the comparator body 1 upward to the topmost point, and then rotate the internal threaded tube 6 to remove it from the external threaded tube 13, and then the top cover 5 can be directly removed, and it is also convenient to remove the bottom cover 4, and the installation of the top cover 5 is also more convenient, and the top cover 5 can be fixed on the detection head of the comparator body 1 by simply rotating the internal threaded tube 6 to connect it to the external threaded tube 13.

[0027] like Figure 5 As shown, a receiving groove 17 is provided above the blocking cover 7, and the receiving groove 17 is opened in the bottom cover 4. The top end of the blocking cover 7 slides in the receiving groove 17 and is fixedly connected with a plurality of second compression springs 12. The top end of each second compression spring 12 is fixedly connected to the inner top wall of the receiving groove 17. Through the setting of the above structure, the blocking cover 7 has a guiding effect, and at the same time, it is also ensured that the blocking cover 7 can stably slide vertically in the receiving groove 17, so that the environment inside the bottom cover 4 and the top cover 5 is relatively stable.

[0028] like Figure 1 and Figure 7As shown, a paddle plate 8 is fixedly connected to the surface of the blocking cover 7, and a positioning plate 9 is fixedly connected to the paddle plate 8. A limiting plate 10 that matches the positioning plate 9 is hinged on the right side of the bottom cover 4. A first compression spring 11 is fixedly connected to the top of the limiting plate 10, and one end of the first compression spring 11 is fixedly connected to the surface of the bottom cover 4. Through the setting of the above structure, when the blocking cover 7 needs to be opened, the paddle plate 8 is pushed to drive the blocking cover 7 to move upward, and the top end of the positioning plate 9 is limited and connected to the bottom end of the limiting plate 10 to prevent the blocking cover 7 from sliding freely, so as to facilitate the operation of personnel. When the blocking cover 7 needs to be released, it is only necessary to press the top end of the limiting plate 10 to make the blocking cover 7 slide freely downward, thereby improving the convenience of personnel use.

[0029] The working principle and use process of the utility model: when it is necessary to install a constant temperature cover on the comparator body 1, first directly insert the bottom cover 4 downward into the mounting seat 2 for fixing, then rotate the top cover 5 on the external threaded tube 13 through the internal threaded tube 6, and the top cover 5 can be fixed, and the top cover 5 can protect the detection head of the comparator body 1, so the installation of the constant temperature cover is more convenient, then the toggle plate 8 drives the baffle 7 to move upward, so that the positioning plate 9 is positioned through the limit plate 10, and then the personnel takes the gauge block with their right hand and places it on the detection table of the comparator body 1, and then the top of the limit plate 10 can be pressed to release the limit on the positioning plate 9, so that the baffle 7 automatically slides downward to the bottom cover 4 The device is closed to ensure that the gauge block between the bottom cover 4 and the top cover 5 is in a stable environment. Then the person's left hand can be put into the glove 15 through the operation port 3 to move the gauge block. At this time, the person's right hand can control the comparator body 1 to descend to detect the gauge block, and the person's right hand is also convenient for recording the test results, which effectively improves the practicability of the device. When the bottom cover 4 and the top cover 5 need to be removed from the comparator body 1, it is only necessary to raise the detection head of the comparator body 1 to the top, and at this time the top cover 5 will also be separated from the bottom cover 4, and then the internal threaded tube 6 is rotated to remove it from the external threaded tube 13, and the top cover 5 is further removed, and finally the bottom cover 4 is directly pulled out from the mounting base 2.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. Contents not described in detail in the specification belong to the prior art known to professional and technical personnel in this field.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A constant temperature cover for a gauge block comparator, comprising a comparator body (1), characterized in that: A bottom cover (4) is detachably provided on the detection platform of the comparator body (1), a top cover (5) is detachably provided on the detection head of the comparator body (1), and the top cover (5) is slidably provided in the bottom cover (4), an operation port (3) is provided on the front of the bottom cover (4), a glove (15) extending into the bottom cover (4) is fixedly connected to the inner wall of the operation port (3), and a blocking cover (7) is movably provided on the right side of the bottom cover (4).

2. A constant temperature cover for a gauge block comparator according to claim 1, characterized in that: A mounting seat (2) is fixedly connected to the detection platform of the comparator body (1), and the bottom end of the bottom cover (4) is inserted into the mounting seat (2).

3. A constant temperature cover for a gauge block comparator according to claim 2, characterized in that: A rubber clip strip (14) is fixedly connected to the inner wall of the mounting seat (2), and a groove (16) matching the rubber clip strip (14) is provided at the bottom end of the mounting seat (2).

4. A constant temperature cover for a gauge block comparator according to claim 1, characterized in that: An external threaded tube (13) is fixedly connected to the detection head surface of the comparator body (1), an internal threaded tube (6) is rotatably connected to the middle of the top cover (5), and the internal threaded tube (6) is threadedly connected to the external threaded tube (13).

5. The constant temperature cover for a gauge block comparator according to claim 1, characterized in that: A receiving groove (17) is arranged above the blocking cover (7), and the receiving groove (17) is opened in the bottom cover (4). The top end of the blocking cover (7) slides in the receiving groove (17) and is fixedly connected to a plurality of second compression springs (12), and the top end of each second compression spring (12) is fixedly connected to the inner top wall of the receiving groove (17).

6. A constant temperature cover for a gauge block comparator according to claim 5, characterized in that: A shift plate (8) is fixedly connected to the surface of the blocking cover (7), a positioning plate (9) is fixedly connected to the shift plate (8), a limiting plate (10) adapted to the positioning plate (9) is hingedly connected to the right side of the bottom cover (4), a first compression spring (11) is fixedly connected to the top end of the limiting plate (10), and one end of the first compression spring (11) is fixedly connected to the surface of the bottom cover (4).

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