Waterproof sealing structure, footstock assembly and multi-head combined scale

Abstract

The utility model relates to a waterproof sealing structure, a footstock assembly and a multi-head combined scale. The waterproof sealing structure comprises a waterproof cover, a sealing ring, a compression ring, a spring fastener and a footstock. The top seat is arranged in the center of the waterproof cover; a clapboard is arranged in the top seat; an upper concave part and a lower concave part are respectively arranged at the upper and lower parts of the clapboard; a sealing ring is connected between the outer side wall of the top seat and the upper surface of the waterproof cover; the lower portion of the sealing ring is bent and attached to the upper surface of the waterproof cover in a sealed mode. And the outer side wall of the top seat is clamped with the upper part of the sealing ring through a spring fastener. The device is reasonable in design, compact in structure and convenient to use.

Description

Technical Field

[0001] The utility model relates to a waterproof sealing structure, a top seat component and a multi-head combination weigher. Background Art

[0002] With the continuous improvement of automation level and the continuous increase of labor costs, it has become a general trend to realize quantitative combination of products through computer combination scales. During the use and cleaning of computer combination scales, water often flows into the equipment due to poor sealing. The equipment is full of electrical components, which are easily short-circuited when exposed to water, causing damage to the equipment. Through this waterproof structure, the problem of water entering the equipment during use and cleaning is solved, thereby improving the stability of the equipment and the convenience of cleaning. Utility Model Content

[0003] The technical problem to be solved by the utility model is generally to provide a waterproof sealing structure, a top seat assembly and a multi-head combination weigher, so as to solve the problem that water enters the inside of the computer combination weigher during use and cleaning, causing the equipment to be short-circuited and damaged.

[0004] In order to solve the above problems, the technical solution adopted by the utility model is:

[0005] In order to achieve the sealing setting, a waterproof sealing structure includes a waterproof cover, a sealing ring, a pressure ring, a spring fastener and a top seat;

[0006] The top seat is arranged at the center of the waterproof cover;

[0007] A partition is provided in the middle of the top seat; an upper concave portion and a lower concave portion are respectively provided on the upper and lower parts of the partition;

[0008] A sealing ring is connected between the outer side wall of the top seat and the upper surface of the waterproof cover;

[0009] The lower part of the sealing ring is bent and sealed and fitted with the upper surface of the waterproof cover;

[0010] The outer side wall of the top seat is clamped with the upper part of the sealing ring through a spring fastener.

[0011] As a further improvement of the above technical solution:

[0012] In order to better seal the lower part and achieve uniform compression and sealing, a pressure ring is provided on the lower bend of the sealing ring;

[0013] The waterproof cover is connected with the pressure ring through a nut member to seal and squeeze the lower bend of the sealing ring.

[0014] In order to facilitate connection and installation, T-shaped openings and H-shaped bayonet holes are provided on both sides corresponding to the upper concave part;

[0015] In order to achieve the clamping seal, there is an outer ring groove A on the outer side wall of the top seat; an outer ring groove B is provided at the top bend of the sealing ring; in order to increase the elasticity and rigidity of the sealing ring, an arch-shaped bend is provided in the middle of the sealing ring; the upper part of the sealing ring has an undercut so as to be embedded in the outer ring groove A

[0016] An outer ring groove B is arranged on the upper part of the bow-shaped curved part; the outer ring groove A corresponds to the outer ring groove B; thereby, the inner and outer deformations of the sealing ring are fully utilized to realize sealing.

[0017] A lower bend is arranged at the lower part of the bow-shaped bend.

[0018] The spring fastener is arranged in the outer ring groove B to realize the fixed seal from the outside.

[0019] An annular protrusion is provided on the lower surface of the lower bend, preferably in three layers, to achieve good sealing;

[0020] The annular protrusion is used for sealing and fitting with the upper surface of the waterproof cover.

[0021] In order to increase the elasticity of the pressure ring and achieve better sealing of the sealing ring, the cross section of the pressure ring is L-shaped, and the pressure ring is in pressure contact with the inner wall of the bow-shaped curved portion.

[0022] As a further protection, to fully utilize the top seat to achieve clever disassembly and assembly, a top seat assembly includes an elastic seat and the above-mentioned waterproof sealing structure arranged on the elastic seat;

[0023] A clamping portion is provided on the waterproof sealing structure;

[0024] In order to facilitate the clamping installation, the clamping part includes a support plate; a C-shaped end is arranged at the front end of the support plate for engaging with the H-shaped bayonet;

[0025] The tail of the support plate is arranged at a T-shaped opening;

[0026] The support plate has a guide channel;

[0027] The guide channel passes through the T-shaped opening;

[0028] A sliding seat portion is movable in the guide channel, and side inclined wedges located in the upper concave portion are arranged on both sides of the sliding seat portion;

[0029] The side wedge is used to fit with the upper platform of the T-shaped opening.

[0030] As a further improvement of the above technical solution:

[0031] For operation, an articulated connecting rod is hinged at the end of the sliding seat;

[0032] A connecting seat is arranged on the outer side of the supporting plate;

[0033] An articulated frame is hingedly connected to the lower part of the connecting seat; an articulated rotating shaft is hingedly connected to the articulated frame;

[0034] The hinged shaft portion is connected with a hinged connecting rod.

[0035] As overall protection, a multi-head combination weigher includes the above-mentioned top seat assembly; a support plate is arranged on the connecting seat and the supporting plate.

[0036] The waterproof fixing method of the utility model does not adopt a pressure ring for fixing, but adopts a waterproof spring buckle to fix it to the waterproof cover with a projection. The waterproof sealing ring does not have a sealing strip, and the waterproof effect is not good. The utility model changes the structure of the waterproof sealing ring: three sealing strips are added to the bottom of the waterproof sealing ring to play a better sealing role, and a corrugation is added to increase the life of the waterproof sealing ring under the influence of vibration; a pressure ring component of the waterproof sealing ring and a rivet bolt for fixing the pressure ring are added; the utility model can realize fixing and disassembly through simple operation. The utility model has a reasonable design, low cost, strong and durable, safe and reliable, simple operation, time and labor saving, money saving, compact structure and easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of the top seat structure of the utility model.

[0038] Figure 2 It is a schematic diagram of the internal structure of the top seat of the utility model.

[0039] Figure 3 It is a schematic diagram of a partially cutaway structure of a top seat of the utility model.

[0040] Figure 4 It is a schematic diagram of the explosion structure of the combination weigher of the utility model.

[0041] Figure 5 It is a schematic diagram of the use structure of the top seat assembly of the utility model.

[0042] Figure 6 It is a schematic diagram of the preferred structure of the clamping connection of the utility model.

[0043] Figure 7 It is another structural schematic diagram of the clamping of the utility model.

[0044] Among them: 1. waterproof cover; 2. sealing ring; 3. pressure ring; 4. spring fastener; 5. top seat; 6. nut; 7. T-shaped opening; 8. H-shaped bayonet; 9. outer ring groove A; 10. outer ring groove B; 11. bow-shaped bend; 12. support plate; 13. elastic seat; 14. clamping part; 15. support plate; 16. C-shaped end; 17. guide channel; 18. sliding seat; 19. side inclined wedge; 20. connecting seat; 21. hinged shaft; 22. hinged frame; 23. hinged connecting rod. DETAILED DESCRIPTION

[0045] like Figure 1-6 As shown, the waterproof sealing structure, top seat assembly and multi-head combination weigher of this embodiment, wherein the waterproof sealing structure of this embodiment includes a waterproof cover 1, a sealing ring 2, a pressure ring 3, a spring fastener 4 and a top seat 5;

[0046] Waterproof cover 1, can be Figure 1 or Figure 4 The sealing ring 2 realizes upper and lower sealing, the pressure ring 3 realizes uniform pressure on the sealing ring, the spring fastener 4 is convenient for bundling and fixing, and the top seat 5 is in the middle, which is connected to the lower vibrating member by bolts.

[0047] The top seat 5 is arranged at the center of the waterproof cover 1 to serve as a carrier support;

[0048] A partition is provided in the middle of the top seat 5; an upper recess and a lower recess are provided on the upper and lower parts of the partition respectively; thereby the lower recess is sealed and the upper recess is opened, so as to facilitate the installation of other components.

[0049] A sealing ring 2 is connected between the outer wall of the top seat 5 and the upper surface of the waterproof cover 1 to achieve upper and lower sealing;

[0050] The lower part of the sealing ring 2 is bent and sealed and fitted to the upper surface of the waterproof cover 1;

[0051] The outer wall of the top seat 5 is clamped with the upper part of the sealing ring 2 through the spring fastener 4, so as to achieve the clamping and anti-dropping.

[0052] A pressure ring 3 is arranged on the lower bend of the sealing ring 2 to uniformly press down the sealing ring to ensure good sealing performance.

[0053] The waterproof cover 1 is connected to the pressure ring 3 through a nut 6 to seal and squeeze the lower bend of the sealing ring 2 to achieve fixed sealing.

[0054] The utility model adopts side sealing at the upper part and bottom sealing at the lower part, and seals in two different directions, thereby achieving better sealing, increasing the service life of the sealing ring, and improving the force-bearing performance. -

[0055] The cross section of the sealing ring 2 is bow-shaped, which can increase the space of the lower recess and increase the elasticity of the sealing ring.

[0056] T-shaped openings 7 and H-shaped bayonet 8 are provided on the two sides corresponding to the upper recess, so as to facilitate the installation of other components. The upper part is open, which is convenient for placement from the top, and the partition is realized by the inverted T-shaped steps and H-shaped crossbars.

[0057] An upper outer ring groove A9 is provided on the outer side wall of the top seat 5, so as to facilitate the sealing installation and positioning.

[0058] An outer ring groove B10 is provided at the top bend of the sealing ring 2 to facilitate snap-on fixation.

[0059] An arch-shaped curved portion 11 is provided in the middle of the sealing ring 2, thereby increasing the elasticity and sealing flexibility energy storage.

[0060] An outer ring groove B1 is arranged on the upper part of the arch-shaped curved portion 11; the outer ring groove A9 corresponds to the outer ring groove B10; the spring fastener 4 is arranged in the outer ring groove B10, so as to facilitate positioning and fixing and disassembly and assembly.

[0061] A lower bend is provided at the lower part of the arch-shaped curved part 11, so as to achieve end face sealing.

[0062] An annular protrusion is provided on the lower surface of the lower bend; preferably three levels, to achieve a better sealing effect.

[0063] The annular protrusion is used to seal and fit with the upper surface of the waterproof cover 1.

[0064] The cross section of the pressure ring 3 is L-shaped, and the pressure ring 3 is in pressure contact with the inner wall of the arch-shaped curved portion 11 to achieve pressure support for the sealing ring and improve the rigidity of the sealing ring.

[0065] As a further protection, Figure 4-6 The components of this embodiment include an elastic seat 13 and the above-mentioned waterproof sealing structure arranged on the elastic seat 13, thereby realizing elastic support.

[0066] A clamping portion 14 is provided on the waterproof sealing structure;

[0067] In order to cleverly utilize the upper concave portion, the clamping portion 14 includes a support plate 15; a C-shaped end 16 is provided at the front end of the support plate 15 for engaging with the H-shaped bayonet 8;

[0068] The rear end of the support plate 15 is arranged at the T-shaped opening 7, that is, an inverted T-shape, so as to be lowered for installation. At the same time, the T-shaped step is used to achieve oblique fixing or separation.

[0069] The support plate 15 has a guide channel 17 to enable forward and backward movement.

[0070] The guide channel 17 passes through the T-shaped opening 7;

[0071] A slide 18 is movable in the guide channel 17, and side inclined wedges 19 are arranged on both sides of the slide 18 and located in the upper recess; the side inclined wedges 19 are used to fit with the upper platform of the T-shaped opening 7, so as to achieve pullback to fix the inclined surface or push forward to achieve inclined surface separation.

[0072] A hinged connecting rod 23 is hinged at the end of the sliding seat portion 18; a connecting seat 20 is provided on the outer side of the support plate 15;

[0073] A hinge frame 22 is hingedly connected to the lower part of the connecting seat 20; a hinge shaft portion 21 is hingedly connected to the hinge frame 22;

[0074] The hinge shaft portion 21 is connected to a hinge connecting rod 23 .

[0075] When it is necessary to fix them as one, pull the handle of the articulated frame 22 to swing to the left, so that the articulated frame 22 (on the left side of the rotating shaft of the connecting seat 20), the hinged connecting rod 23, and the sliding seat 18 become a straight line, and guide the sliding seat 18 through the guide channel 17, so that the side inclined wedge 19 is in contact with the step inclined surface of the T-shaped opening 7.

[0076] The pulling articulated frame 22 is preferably U-shaped or H-shaped. When disassembly or assembly is required, the articulated frame 22 swings downward around the rotating axis, so that the articulated connecting rod 23 becomes an oblique line, and the sliding seat portion 18 moves to the right along the guide channel 17, thereby realizing inclined surface separation. It has a simple structure, is easy to operate, and is strong and durable.

[0077] The multi-head combination weigher of this embodiment includes the above-mentioned components; a support plate 12 is arranged on the connecting seat 20 and the supporting plate 15 to realize the material supporting and output.

[0078] During the use of the utility model, water cannot enter the interior of the equipment, thereby improving the stability of the equipment and reducing the loss caused by production delays due to damage to the water inlet equipment; the part can be directly washed with a high-pressure water gun, reducing the time of wiping with a towel when it cannot be washed with water;

[0079] The present invention is fully described for a clearer disclosure, and the prior art will not be listed one by one.

[0080] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it; although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above embodiments, or replace some of the technical features therein with equivalents; it is obvious for those skilled in the art to combine multiple technical solutions of the utility model. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A waterproof sealing structure, characterized in that: It comprises a waterproof cover (1), a sealing ring (2), a pressure ring (3), a spring fastener (4) and a top seat (5); The top seat (5) is arranged at the center of the waterproof cover (1); The top seat (5) has a partition in the middle; an upper concave portion and a lower concave portion are respectively arranged on the upper and lower parts of the partition; A sealing ring (2) is connected between the outer side wall of the top seat (5) and the upper surface of the waterproof cover (1); The lower part of the sealing ring (2) is bent and sealed and fitted with the upper surface of the waterproof cover (1); The outer side wall of the top seat (5) is clamped with the upper part of the sealing ring (2) via a spring fastener (4).

2. The waterproof sealing structure according to claim 1, characterized in that: A pressure ring (3) is provided on the lower bend of the sealing ring (2); The waterproof cover (1) is connected to the pressure ring (3) via a nut member (6) to seal and squeeze the lower bend of the sealing ring (2).

3. The waterproof sealing structure according to claim 2, characterized in that: A T-shaped opening (7) and an H-shaped bayonet (8) are provided on two corresponding sides of the upper concave portion; An upper outer ring groove A (9) is provided on the outer side wall of the top seat (5); An outer ring groove B (10) is provided at the top curved portion of the sealing ring (2).

4. The waterproof sealing structure according to claim 3, characterized in that: An arched curved portion (11) is provided in the middle of the sealing ring (2); An outer annular groove B (10) is provided on the upper part of the arch-shaped curved portion (11); A lower bend is arranged at the lower part of the arch-shaped bend (11).

5. The waterproof sealing structure according to claim 4, characterized in that: The outer ring groove A (9) corresponds to the outer ring groove B (10); The spring fastener (4) is arranged in the outer ring groove B (10).

6. The waterproof sealing structure according to claim 5, characterized in that: An annular protrusion is provided on the lower surface of the lower bend; The annular protrusion is used to seal and fit with the upper surface of the waterproof cover (1).

7. The waterproof sealing structure according to claim 6, characterized in that: The cross section of the pressure ring (3) is L-shaped, and the pressure ring (3) is in pressure contact with the inner wall of the arched curved portion (11).

8. A top seat assembly, characterized in that: It comprises an elastic seat (13) and a waterproof sealing structure according to any one of claims 1 to 7 arranged on the elastic seat (13); A clamping portion (14) is provided on the waterproof sealing structure; The clamping portion (14) comprises a support plate (15); a C-shaped end head (16) is arranged at the front end of the support plate (15) for engaging with the H-shaped clamping port (8); The rear end of the support plate (15) is arranged at the T-shaped opening (7); The support plate (15) has a guide channel (17); The guide channel (17) passes through the T-shaped opening (7); A sliding seat portion (18) is movable in the guide channel (17), and side inclined wedges (19) located in the upper concave portion are arranged on both sides of the sliding seat portion (18); The side inclined wedge (19) is used to fit with the upper platform of the T-shaped opening (7).

9. The top seat assembly according to claim 8, characterized in that: A hinged connecting rod (23) is hingedly connected to the end of the sliding seat portion (18); A connecting seat (20) is arranged on the outer side of the supporting plate (15); A hinge frame (22) is hingedly connected to the lower part of the connecting seat (20); a hinge shaft portion (21) is hingedly connected to the hinge frame (22); the hinge frame (22) is H-shaped or U-shaped; The hinged rotating shaft portion (21) is connected to a hinged connecting rod (23).

10. A multi-head combination weigher, characterized in that: It comprises the top seat assembly as claimed in claim 8 or 9; a support plate (12) is arranged on the connecting seat (20) and the supporting plate (15).

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