Lead sealing mechanism suitable for automatic assembly of instrument production line

Abstract

The invention discloses a lead sealing mechanism suitable for automatic assembly of an instrument production line. The lead sealing mechanism comprises a lead sealing body, a lead sealing plate and a self-locking mechanism. The lead sealing body is provided with a cavity, a pin hole, a lead sealing column and a sliding groove, the lead sealing plate is matched with the sliding groove in the lead sealing body, and the self-locking mechanism is installed on the cavity in the lead sealing body. The self-locking mechanism comprises a lead sealing block I, a lead sealing block II, a lead sealing block plate, a lead sealing block III and a spring; the lead sealing block I, the lead sealing block II and the lead sealing block III are respectively matched with the sliding chutes on the lead sealing plate; the lead sealing block I is connected with the lead sealing block plate through a spring and used for limiting movement displacement of the lead sealing block I. The lead sealing block plate is connected with the lead sealing body through a pin. The lead sealing plate is provided with a lead sealing column hole and a self-locking cavity, the lead sealing column hole is coaxial with the lead sealing column on the lead sealing body, and the lead sealing block I moves in the self-locking cavity. The instrument lead sealing mechanism is simple in structure, low in cost and capable of achieving automatic assembly of a production line, and the production efficiency of the production line is improved.

Description

Technical Field

[0001] The invention relates to an anti-tampering device, in particular to a lead sealing mechanism suitable for automatic assembly of an instrument production line. Background Art

[0002] In order to prevent users from opening, modifying or destroying the instrument structure without permission and avoid illegal events such as stealing water, it is a common method to install a lead seal mechanism on the instrument to prevent illegal operations. The common lead seal method is to set a through hole on the connection lock nut between the instrument and the water inlet pipeline, and the lead seal line is passed between the lead seal hole on the water inlet side of the instrument and the through hole of the connection lock nut.

[0003] For example, patents with publication numbers CN214587686U and CN2289215Y disclose a lead sealing mechanism. However, when this lead sealing mechanism is installed on an instrument, manual threading is required, resulting in a large workload, low work efficiency, slow production progress, and high production costs for the instrument production line. This is inconsistent with the development of automated factories and is difficult to meet actual production needs. Summary of the invention

[0004] Purpose of the invention: In view of the above problems, the purpose of the present invention is to provide a lead sealing mechanism suitable for automatic assembly of instrument production lines, which optimizes the structure, reduces costs, improves production efficiency, and can be used for automatic assembly of production lines.

[0005] Technical solution: A lead sealing mechanism suitable for automatic assembly of an instrument production line, including a lead sealing body, a lead sealing plate, and a self-locking mechanism. The lead sealing body includes an L-shaped column and a protrusion. The protrusion is fixed on an outer side surface of the L-shaped column, and the protrusion is close to its corner. A slide groove is provided on the L-shaped column on the other side opposite to the protrusion. The slide groove has a cavity extending to the inside of the protrusion. The self-locking mechanism is installed in the cavity. A lead sealing column is installed on the inner side surface of the L-shaped column, and the lead sealing column is parallel to the slide groove. One end of the lead sealing plate is placed in the slide groove and slides along the slide groove until it is engaged with the self-locking mechanism. At this time, the lead sealing column is penetrated into the lead sealing plate and close to its other end.

[0006] Furthermore, the seal plate is T-shaped, and a self-locking cavity is provided on the end surface of its large end. A through seal column hole is also provided on the outer peripheral surface of the seal plate. The seal column hole is close to the small end of the seal plate, and the large end of the seal plate is placed in the slide groove. The self-locking mechanism can be clamped in the self-locking cavity. At this time, the seal column is inserted into the seal column hole.

[0007] Furthermore, the self-locking mechanism includes an I seal block, an II seal block, a seal block plate, a III seal block, and a spring. One side surface of the seal block plate is provided with two parallel and spaced slide grooves I and III, and an II slide groove perpendicularly intersecting the two. The I seal block is placed in the I slide groove, the II seal block is placed in the II slide groove, the III seal block is placed in the III slide groove and the two ends of the II seal block are respectively fitted with the end faces of the I seal block and the III seal block, the two ends of the spring are respectively connected to the seal block plate and the I seal block, and the I seal block can be clamped with the seal plate.

[0008] The I lead sealing block, the II lead sealing block and the III lead sealing block can move in the I slide groove, the II slide groove and the III slide groove respectively and push against each other.

[0009] Optimally, both end faces of the II seal block that fit with the I seal block and the III seal block are chamfered surfaces, the corresponding fitting faces of the I seal block and the III seal block are chamfered surfaces, the other end face of the I seal block is a straight plane and can be clamped and fitted with the seal plate, and the other end face of the III seal block is also a chamfered surface.

[0010] Optimally, lead seal block I is arranged in parallel with lead seal block III and lead seal block III is close to the corner of the L-shaped column, and the length of lead seal block I is less than the length of lead seal block III.

[0011] Best, a pin hole I is provided on the lead seal block between the I slide groove and the III slide groove, a pin hole is correspondingly provided on the inner wall of the cavity, and the pin shaft is sequentially passed through the pin hole and the I pin hole, so that the lead seal block is installed in the cavity.

[0012] Preferably, a spring hole is provided on the lead seal block plate and the I lead seal block, and the two ends of the spring are fixed in the two spring holes. The spring is used to limit the movement of the I lead seal block.

[0013] Beneficial effect: Compared with the prior art, the advantages of the present invention are: the present invention achieves self-locking by installing a self-locking mechanism on the seal body through the movement of the seal plate. The seal has a simple structure and can be made of plastic with low cost. The seal plate is slid into the self-locking mechanism and fixed therein, which is easy to operate and can realize automatic assembly of the instrument production line with high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 (a) to (c) are schematic diagrams of the working process of the present invention;

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the lead seal body;

[0016] Figure 3 It is a cross-sectional view of the seal body;

[0017] Figure 4It is a cross-sectional view of the lead seal plate;

[0018] Figure 5 It is a front view of the self-locking mechanism;

[0019] Figure 6 It is the axonometric view of the self-locking mechanism;

[0020] Figure 7 It is the front view of the lead seal block;

[0021] Figure 8 This is an axonometric view of the seal block. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0023] A lead sealing mechanism suitable for automatic assembly of instrument production lines can play the role of anti-theft and anti-opening, and can also be used in automatic assembly production lines to automatically assemble lead seals. Figures 1 to 8 As shown, it includes a lead seal body 1, a lead seal plate 2, and a self-locking mechanism 3.

[0024] The lead seal body 1 includes an L-shaped column and a protrusion. The protrusion is fixed on an outer surface of the L-shaped column, and the protrusion is close to its corner. A slide groove 14 is provided on the other side of the L-shaped column opposite to the protrusion. The slide groove 14 is provided with a cavity 11 extending to the inside of the protrusion, and the self-locking mechanism 3 is installed in the cavity 11.

[0025] The self-locking mechanism 3 includes an I seal block 31, an II seal block 32, a seal block plate 33, a III seal block 34, and a spring 35. The seal block plate 33 is provided with an I pin hole 332, and the inner wall of the cavity 11 is correspondingly provided with a pin hole 12. The pin shaft is sequentially penetrated into the pin hole 12 and the I pin hole 332, so that the seal block plate 33 is installed in the cavity 11.

[0026] One side surface of the lead seal block plate 33 is provided with two parallel and spaced apart I slide grooves 331 and III slide grooves 334, and a II slide groove 333 perpendicularly intersecting the two. The I lead seal block 31 is placed in the I slide groove 331, the II lead seal block 32 is placed in the II slide groove 333, and the III lead seal block 34 is placed in the III slide groove 334, and the two ends of the II lead seal block 32 are respectively in contact with the end faces of the I lead seal block 31 and the III lead seal block 34.

[0027] Lead seal block I 31 is arranged in parallel with lead seal block III 34 and lead seal block III 34 is close to the corner of the L-shaped column. The length of lead seal block I 31 is less than that of lead seal block III 34. In the initial state, one end of lead seal block III 34 protrudes outside the cavity 11 and reaches the inside of the chute 14. Both end faces of lead seal block II 32 that fit with lead seal block I 31 and lead seal block III 34 are chamfered inclined surfaces. The corresponding fitting faces of lead seal block I 31 and lead seal block III 34 are chamfered inclined surfaces. The other end face of lead seal block I 31 is a straight plane and can be clamped and fitted with lead seal plate 2. The other end face of lead seal block III 34 is also a chamfered inclined surface.

[0028] The two ends of the spring 35 are connected to the lead seal block plate 33 and the I lead seal block 31 respectively. A spring hole 335 is provided on the lead seal block plate 33 between the I slide groove 331 and the III slide groove 334. One end of the spring 35 is fixed in the spring hole 335. The spring 35 is used to limit the movement of the I lead seal block 31 and has a return function.

[0029] A lead sealing column 13 is installed on the inner side of the L-shaped column. The lead sealing column 13 is parallel to the slide groove 14. One end of the lead sealing plate 2 is placed in the slide groove 14 and slides along the slide groove 14 until it is engaged with the self-locking mechanism 3. At this time, the lead sealing column 13 is inserted into the lead sealing plate 2 and close to its other end.

[0030] The sealing plate 2 is T-shaped, and a self-locking cavity 22 is provided on the end surface of its large end. A through sealing column hole 21 is also provided on the outer peripheral surface of the sealing plate 2. The sealing column hole 21 is close to the small end of the sealing plate 2. The large end of the sealing plate 2 is placed in the slide groove 14. The self-locking mechanism 3 can be clamped in the self-locking cavity 22. When the sealing plate 2 moves along the slide groove 14, it pushes the protruding III sealing block 34 to push the II sealing block 32 and the I sealing block 31 in turn, so that one end of the I sealing block 31 protrudes to the outside of the cavity 11 and is penetrated in the self-locking cavity 22 to complete the clamping. At this time, the sealing column 13 is penetrated in the sealing column hole 21.

[0031] The present invention takes the side close to the lead seal column as the front.

[0032] When the present invention is working, after the seal column on the seal body passes through the upper cover and the lower cover of the instrument in sequence (the instrument is not the focus of the present invention and is not marked), the seal plate moves upward along the slide groove, and when the seal column is coaxial with and in contact with the seal column hole, the seal plate pushes the III seal block to move backward, driving the II seal block to push the I seal block forward, and the I seal block begins to be inserted into the self-locking cavity. When the lower end surface of the I seal block contacts the lower end surface of the self-locking cavity, the seal plate stops moving under the joint action of the III seal block and the I seal block, and the assembly of the seal mechanism of the instrument is completed.

[0033] The present invention promotes the movement of the III lead seal block in the self-locking mechanism by the lead seal plate, so that the I lead seal block moves in the self-locking cavity. Even if an external force is applied to the lead seal plate, the I lead seal block cannot move, thereby preventing the instrument from being opened after being lead sealed, and achieving the effect of lead sealing.

Claims

1. A lead sealing mechanism suitable for automatic assembly of instrument production lines, characterized by: The invention comprises a lead seal body (1), a lead seal plate (2) and a self-locking mechanism (3). The lead seal body (1) comprises an L-shaped column and a protrusion. The protrusion is fixed on an outer side of the L-shaped column, and the protrusion is close to its corner. A slide groove (14) is provided on the other side of the L-shaped column opposite to the protrusion. The slide groove (14) is provided with a cavity (11) extending to the inside of the protrusion. The self-locking mechanism (3) is installed in the cavity (11). A lead seal column (13) is installed on the inner side of the L-shaped column. The lead seal column (13) is parallel to the slide groove (14). One end of the lead seal plate (2) is placed in the slide groove (14) and slides along the slide groove (14) until it is engaged with the self-locking mechanism (3). At this time, the lead seal column (13) is inserted into the lead seal plate (2) and close to the other end thereof.

2. A lead sealing mechanism suitable for automatic assembly of an instrument production line according to claim 1, characterized in that: The lead sealing plate (2) is T-shaped, and a self-locking cavity (22) is provided on the large end surface thereof. A through lead sealing column hole (21) is also provided on the outer peripheral surface of the lead sealing plate (2). The lead sealing column hole (21) is close to the small end of the lead sealing plate (2). The large end of the lead sealing plate (2) is placed in the slide groove (14). The self-locking mechanism (3) can be clamped in the self-locking cavity (22). At this time, the lead sealing column (13) is inserted into the lead sealing column hole (21).

3. A lead sealing mechanism suitable for automatic assembly of an instrument production line according to claim 1, characterized in that: The self-locking mechanism (3) comprises an I lead seal block (31), an II lead seal block (32), a lead seal block plate (33), a III lead seal block (34), and a spring (35). One side surface of the lead seal block plate (33) is provided with two parallel and spaced I slide grooves (331) and III slide grooves (334), and a II slide groove (333) perpendicularly intersecting the two. The I lead seal block (31) is placed in the I slide groove (331), the II lead seal block (32) is placed in the II slide groove (333), the III lead seal block (34) is placed in the III slide groove (334), and the two ends of the II lead seal block (32) are respectively in contact with the end faces of the I lead seal block (31) and the III lead seal block (34), the two ends of the spring (35) are respectively connected to the lead seal block plate (33) and the I lead seal block (31), and the I lead seal block (31) can be clamped with the lead seal plate (2).

4. A lead sealing mechanism suitable for automatic assembly of an instrument production line according to claim 3, characterized in that: The two end surfaces of the II lead seal block (32) that are bonded to the I lead seal block (31) and the III lead seal block (34) are both chamfered inclined surfaces, and the bonding surfaces of the I lead seal block (31) and the III lead seal block (34) are correspondingly chamfered inclined surfaces, the other end surface of the I lead seal block (31) is a straight plane and can be clamped and bonded to the lead seal plate (2), and the other end surface of the III lead seal block (34) is also a chamfered inclined surface.

5. A lead sealing mechanism suitable for automatic assembly of an instrument production line according to claim 3 or 4, characterized in that: The I lead seal block (31) is arranged in parallel with the III lead seal block (34), and the III lead seal block (34) is close to the corner of the L-shaped column, and the length of the I lead seal block (31) is shorter than the length of the III lead seal block (34).

6. A lead sealing mechanism suitable for automatic assembly of an instrument production line according to claim 3, characterized in that: A pin hole (332) is provided on the lead seal block (33) between the I slide groove (331) and the III slide groove (334), and a pin hole (12) is correspondingly provided on the inner wall of the cavity (11). The pin shaft is sequentially inserted into the pin hole (12) and the I pin hole (332), so that the lead seal block (33) is installed in the cavity (11).

7. The lead sealing mechanism suitable for automatic assembly of instrument production lines according to claim 1, characterized in that: A spring hole (335) is respectively provided on the lead seal block plate (33) and the lead seal block (31), and two ends of the spring (35) are fixed in the two spring holes (335).

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