Locking structure for spring pull-plug type compression sealing

Abstract

The utility model relates to a locking structure for spring plug-in type compression sealing. The locking structure comprises an annular connecting frame and a control box which is connected with the annular connecting frame and can be turned over to be opened. The control box comprises a shell and an upper cover, one end of the shell and one end of the upper cover are both hinged to the annular connecting frame, the shell is buckled on the annular connecting frame, the upper cover is buckled on the shell, the upper cover is connected with the other end of the shell through a spring pluggable locking mechanism, and the shell is fixedly connected with the annular connecting frame through a limiting piece. The control box is composed of a shell and an upper cover, and the shell and the upper cover can be turned over and opened independently, so that measurement and control operation and equipment overhaul and maintenance are facilitated.

Description

Technical Field

[0001] The utility model relates to a locking structure, in particular to a spring plug-in type pressing and sealing locking structure. Background Art

[0002] A gate is a control facility for closing and opening a water passage. As an important part of water conservancy facilities, it can be used to intercept water flow, control water level, regulate flow rate, discharge sediment and floating objects, etc. In order to control the operation of the gate, a control cabinet for controlling the gate will be installed near the gate. Currently, the conventional gate control cabinets on the market include a cabinet body and control components arranged inside the cabinet body. At the same time, a control panel and control buttons are installed on the cabinet body. In order to avoid malicious human operation, a protective cover for covering the control panel and control buttons is also arranged on the cabinet body. The protective cover is fixed by screws. When performing control operations, the protective cover needs to be removed, and it needs to be installed again after the operation is completed. Both the disassembly and assembly processes are time-consuming and laborious.

[0003] Based on the above technical problems, the applicant has designed and developed a spring plug-in type pressing and sealing locking structure, which is convenient to switch and has a good sealing effect. After actual measurement and use, the use effect of this product is very ideal. Summary of the Utility Model

[0004] The utility model aims at the deficiencies of the prior art and provides a spring plug-in type pressing and sealing locking structure.

[0005] The utility model is realized by the following technical solutions: a spring plug-in type pressing and sealing locking structure is provided, which includes an annular connection frame and a control box connected to the annular connection frame and capable of being turned over and opened; the control box includes a shell and an upper cover. One end of the shell and the upper cover is hinged to the annular connection frame respectively. The shell is buckled on the annular connection frame, and the upper cover is buckled on the shell. The other end of the upper cover and the shell is connected by a spring plug-in type locking mechanism, and the shell and the annular connection frame are connected and fixed by a limiting member.

[0006] Preferably, the spring plug-in type locking mechanism includes a positioning shaft installed on the upper cover and a spring positioning pin installed on the shell. A positioning seat for installing the spring positioning pin is arranged on the shell, a positioning hole for inserting the positioning shaft is arranged on the positioning seat, and a clamping groove for embedding the positioning head of the spring positioning pin is arranged on the positioning shaft. When the upper cover is closed, the positioning shaft is inserted into the positioning hole. After the positioning head contacts the positioning shaft, the pressing spring of the spring positioning pin first retracts. When the positioning head is stuck into the clamping groove, the pressing spring expands to realize limit locking. When the upper cover is opened, the end of the spring positioning pin is pulled, the pressing spring retracts, and the corresponding positioning head retreats to release the limit on the positioning shaft, so that the upper cover can be lifted. After the upper cover is opened, corresponding operations can be implemented through the control panel and control buttons.

[0007] Preferably, the housing includes an inclined installation panel and a receiving cavity provided inside the housing. A circuit board and a solar controller for controlling the power generation of the photovoltaic panel are installed in the receiving cavity; a control screen and a plurality of control buttons are installed on the installation panel.

[0008] Preferably, in order to prevent malicious switching of the upper cover, it is necessary to lock the upper cover. An electromagnetic lock is installed in the receiving cavity, and a proximity switch and a lock hole cooperating with the electromagnetic lock are provided on the installation panel. Both the electromagnetic lock and the proximity switch are electrically connected to the circuit board of the circuit board; a lock rod for inserting into the lock hole and a proximity block cooperating with the proximity switch are installed on the inner wall of the upper cover. A limiting groove cooperating with the lock tongue of the electromagnetic lock is provided on the lock rod. After the upper cover is buckled on the housing, the proximity block approaches the proximity switch, and at the same time the lock rod is inserted into the lock hole. The proximity switch feeds back a signal to the controller of the circuit board, and the controller of the circuit board issues an instruction for the lock tongue of the electromagnetic lock to act and embed into the limiting groove on the lock rod, thereby realizing the locking of the upper cover.

[0009] Preferably, in order to facilitate the opening and closing of the upper cover, a handle is fixedly connected to one end of the positioning shaft.

[0010] Preferably, in order to enhance the sealing performance after the upper cover is closed, a sealing strip is installed at the position where the upper cover contacts the housing. The locking and limiting of the upper cover and the housing are realized through a spring plug-in locking mechanism, which can ensure that the sealing strip is effectively pressed after the upper cover is closed, thereby ensuring the sealing effect.

[0011] Preferably, in order to lock the upper cover, ear plates protruding outward are provided on both the upper cover and the housing, and lock eyes are provided on both ear plates and connected by a padlock.

[0012] Preferably, the limiting member is a screw, and the housing and the annular connection frame are fixedly connected by screws. After the limiting member is removed, the housing can be turned over.

[0013] The beneficial effects of the present invention are as follows:

[0014] 1. The control box is composed of a housing and an upper cover, and both the housing and the upper cover can be independently turned over and opened, which is convenient for measurement and control operations and equipment maintenance and repair.

[0015] 2. The spring plug-in locking mechanism and the padlock form a double anti-disassembly and anti-theft structure, and the locking and limiting of the upper cover and the housing are realized through the spring plug-in locking mechanism, which can ensure that the sealing strip is effectively pressed after the upper cover is closed, thereby ensuring the sealing effect. Description of the Drawings

[0016] Figure 1 It is a three-dimensional assembly drawing when the upper cover of the present invention is closed;

[0017] Figure 2 It is a three-dimensional assembly drawing when the upper cover of the present invention is opened;

[0018] Figure 3 Is Figure 2 The partial enlarged structural schematic diagram at position B in

[0019] Figure 4 This is the rear view of the present utility model;

[0020] Figure 5 Is Figure 4 The sectional view taken along the A-A direction in

[0021] Figure 6 This is the schematic diagram of the open state of the control box of the present invention;

[0022] Figure 7 This is the three-dimensional view of the connection relationship between the control box of the present utility model and the annular connection frame;

[0023] Figure 8 This is the side view of the connection relationship between the control box of the present utility model and the annular connection frame;

[0024] Figure 9 Is Figure 8 The sectional view taken along the B-B direction in the locked state in

[0025] Figure 10 Is Figure 8 The sectional view taken along the B-B direction in the unlocked state in

[0026] As shown in the figure:

[0027] 1. Cabinet body, 2. Annular connection frame, 3. Shell, 4. Upper cover, 5. Installation panel, 6. Control screen, 7. Control button, 8. Proximity switch, 9. Lock hole, 10. Proximity block, 11. Lock rod, 12. Limit groove, 13. Circuit board, 14. Solar controller, 15. Handle, 16. Padlock, 17. Spring positioning pin, 18. Positioning head, 19. Positioning shaft, 20. Positioning seat, 21. Card slot, 22. Sealing strip. Specific embodiments

[0028] To clearly illustrate the technical features of this solution, the following elaborates on this solution through specific embodiments.

[0029] As Figures 1-10 shown, the present utility model includes an annular connection frame 2 and a control box connected to the annular connection frame 2 and capable of being turned over and opened. The control box includes a shell 3 and an upper cover 4. One end of the shell 3 and the upper cover 4 are both hinged to the annular connection frame 2. The shell 3 is buckled on the annular connection frame 2, the upper cover 4 is buckled on the shell 3, the other end of the upper cover 4 and the shell 3 are connected by a spring plug-in locking mechanism, and the shell 3 and the annular connection frame 2 are connected and fixed by a limiting member.

[0030] The spring plug-in locking mechanism includes a positioning shaft 19 installed on the upper cover 4 and a spring positioning pin 17 installed on the housing 3. The spring positioning pin 17 adopts an existing structure. A positioning seat 20 for installing the spring positioning pin is provided on the housing 3. A positioning hole for the positioning shaft 19 to insert is provided on the positioning seat 20. A clamping groove 21 for the positioning head 18 of the spring positioning pin 17 to embed is provided on the positioning shaft 19. When the upper cover 4 is closed, the positioning shaft 19 inserts into the positioning hole. After the positioning head 18 contacts the positioning shaft 19, the compression spring of the spring positioning pin 17 first retracts. When the positioning head 18 snaps into the clamping groove 21, the compression spring expands to achieve limit locking. When the upper cover 4 is opened, pulling the end of the spring positioning pin 17 causes the compression spring to retract, and the corresponding positioning head 18 retreats and releases the limit on the positioning shaft 19, so that the upper cover 4 can be lifted. After the upper cover 4 is opened, corresponding operations can be implemented through the control screen 6 and the control buttons 7.

[0031] The housing 3 includes an inclined installation panel 5 and a receiving cavity provided inside the housing 3. A circuit board 13 and a solar controller 14 for controlling the power generation of the photovoltaic panel are installed in the receiving cavity. A control screen 6 and a plurality of control buttons 7 are installed on the installation panel 5. Further, in order to prevent the upper cover 4 from being maliciously switched, it is necessary to lock the upper cover 4. An electromagnetic lock is installed in the receiving cavity. A proximity switch 8 and a lock hole 9 cooperating with the electromagnetic lock are provided on the installation panel 5. Both the electromagnetic lock and the proximity switch 8 are electrically connected to the circuit board 13. A lock rod 11 for inserting into the lock hole 9 and a proximity block 10 cooperating with the proximity switch 8 are installed on the inner wall of the upper cover 4. A limit groove 12 cooperating with the lock tongue of the electromagnetic lock is provided on the lock rod 11. After the upper cover 4 is buckled on the housing 3, the proximity block 10 approaches the proximity switch 8, and at the same time the lock rod 11 inserts into the lock hole 9. The proximity switch 8 feeds back a signal to the controller of the circuit board 13, and the controller of the circuit board 13 issues an instruction for the lock tongue of the electromagnetic lock to act and embed into the limit groove 12 on the lock rod 11, thereby realizing the locking of the upper cover 4.

[0032] Further, in order to facilitate the opening and closing of the upper cover 4, a handle 15 is fixedly connected to one end of the positioning shaft 19.

[0033] Further, in order to enhance the sealing performance after the upper cover 4 is closed, a sealing strip 22 is installed at the position where the upper cover 4 contacts the housing 3. The locking and limiting of the upper cover 4 and the housing 3 are realized through the spring plug-in locking mechanism, which can ensure that after the upper cover 4 is closed, the sealing strip 22 is effectively compressed, thereby ensuring the sealing effect.

[0034] Further, in order to lock the upper cover 4, ear plates protruding outward are provided on both the upper cover 4 and the housing 3. Lock eyes are provided on both ear plates and are connected by a padlock 16.

[0035] Further, the limiting member is a screw, and the housing 3 and the annular connection frame 2 are fixedly connected by screws. After removing the limiting member, the housing 3 can be turned over.

[0036] During specific use, first install the annular connection frame 2 onto the cabinet 1, and then install the control box onto the annular connection frame 2. The housing 3 and the upper cover 4 can be flexibly opened and closed according to the usage requirements.

[0037] Of course, the above description is not limited to the above examples. The technical features not described in the present utility model can be realized by or adopted from the prior art, and will not be elaborated herein; the above embodiments and the drawings are only used to illustrate the technical solutions of the present utility model and are not intended to limit the present utility model. The present utility model has been described in detail with reference to the preferred embodiments. Those of ordinary skill in the art should understand that any changes, modifications, additions, or substitutions made by those of ordinary skill in the technical field within the scope of the essence of the present utility model do not depart from the purpose of the present utility model and should also fall within the scope of the claims of the present utility model.

Claims

1. A spring plug-in type compression seal locking structure, characterized in that: It includes an annular connecting frame and a control box connected to the annular connecting frame and capable of being flipped open; the control box includes a shell and an upper cover, one end of the shell and the upper cover are hinged to the annular connecting frame, the shell is buckled on the annular connecting frame, the upper cover is buckled on the shell, the upper cover is connected to the other end of the shell through a spring plug-in locking mechanism, and the shell and the annular connecting frame are connected and fixed by a limit piece.

2. A spring plug-in type compression seal locking structure according to claim 1, characterized in that: The spring plug-in locking mechanism includes a positioning shaft installed on the upper cover and a spring positioning pin installed on the shell. A positioning seat for installing the spring positioning pin is provided on the shell, a positioning hole for inserting the positioning shaft is provided on the positioning seat, and a slot for embedding the positioning head of the spring positioning pin is provided on the positioning shaft.

3. The locking structure of a spring plug-in type compression seal according to claim 1, characterized in that: The shell comprises an inclined mounting panel and a receiving cavity arranged inside the shell, in which a circuit board and a solar controller for controlling power generation of photovoltaic panels are installed; a control screen and a plurality of control buttons are installed on the mounting panel.

4. A spring plug-in type compression seal locking structure according to claim 3, characterized in that: An electromagnetic lock is installed in the accommodating cavity, a proximity switch and a lock hole cooperating with the electromagnetic lock are provided on the installation panel, and both the electromagnetic lock and the proximity switch are connected to the circuit of the circuit board; a lock rod for inserting into the lock hole and a proximity block cooperating with the proximity switch are installed on the inner wall of the upper cover, and a limit groove cooperating with the lock tongue of the electromagnetic lock is provided on the lock rod.

5. The locking structure of a spring plug-in type compression seal according to claim 2, characterized in that: A handle is fixedly connected to one end of the positioning shaft.

6. A spring plug-in type compression seal locking structure according to claim 2, characterized in that: A sealing strip is installed at the position where the upper cover contacts the shell.

7. The locking structure of a spring plug-in type compression seal according to claim 1, characterized in that: Ear plates extending outward are arranged on the upper cover and the shell body, and keyholes are arranged on the two ear plates and the two ear plates are connected by padlocks.

8. The locking structure of a spring plug-in type compression seal according to claim 1, characterized in that: The limiting member is a screw, and the shell and the annular connecting frame are connected and fixed by the screw.

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