Pressure-resistant and waterproof thin film capacitor

Abstract

The utility model discloses a voltage-withstanding waterproof film capacitor, which relates to the technical field of film capacitors and comprises a capacitor body, and pins are connected to the bottom of the capacitor body. According to the pressure-resistant and waterproof film capacitor, a capacitor body is inserted into a first pressure-resistant and waterproof shell, pins are moved out along a sealing sleeve, a sealing effect is achieved between the pins and the sealing sleeve, then a second pressure-resistant and waterproof shell is arranged at the upper end of the capacitor body in a sleeving mode, and a clamping ring is inserted into a clamping groove; the sealing ring corresponds to the sealing groove, the positioning block is inserted into the positioning groove, the clamping ring is positioned in the clamping groove, and the first pressure-resistant waterproof shell and the second pressure-resistant waterproof shell are further connected in a sealed mode, so that the capacitor body is used in a waterproof mode in the using process, and meanwhile in the process that the capacitor body is subjected to impact pressure, the capacitor body is prevented from being damaged. Therefore, the service life of the capacitor main body is further prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to thin film capacitor technical field especially relates to a thin film capacitor of pressure -proof waterproof. BACKGROUND

[0002] Thin film capacitor is with metal foil as electrode, its and polyethylene, polypropylene, polystyrene or polycarbonate plastic film, from two ends overlap, winding into the construction of cylindrical capacitor of capacitor. And according to the type of plastic film is respectively called polyethylene capacitor (also called Mylar capacitor), polypropylene capacitor (also called PP capacitor), polystyrene capacitor (also called PS capacitor) and polycarbonate capacitor.

[0003] The existing thin film capacitor cannot play pressure -proof waterproof effect in the use process, when the capacitor is impacted or extruded, cannot carry out pressure protection, for this, the utility model provides a thin film capacitor of pressure -proof waterproof. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a thin film capacitor of pressure -proof waterproof, solves the problem of above -mentioned background art.

[0005] To realize above -mentioned purpose, the utility model is realized through following technical scheme: a thin film capacitor of pressure -proof waterproof, including capacitor main part, the bottom of capacitor main part is connected with pin, the outside of capacitor main part is provided with pressure -proof waterproof structure;

[0006] Pressure -proof waterproof structure includes first pressure -proof waterproof shell and second pressure -proof waterproof shell, the bottom of first pressure -proof waterproof shell is provided with sealing sleeve, the bottom of second pressure -proof waterproof shell is connected with the ring, the both sides of ring are provided with positioning slot and sealing ring respectively, the top of first pressure -proof waterproof shell is seted up with the clamping groove, the inside of clamping groove is seted up with sealing groove, the outside of first pressure -proof waterproof shell is provided with extension block, the inside of extension block is seted up with moving hole and limiting slot, the inside of moving hole is provided with connecting pin, the outside of connecting pin is provided with positioning block and limiting block, the side of limiting block is connected with support spring.

[0007] As a further technical scheme of the utility model, the capacitor main part and the pin are electrically connected, the number of pins is two groups and symmetrically distributed.

[0008] As a further technical scheme of the utility model, the sealing sleeve and the first pressure -proof waterproof shell are fixed structures, the number of sealing sleeves is two groups and symmetrically distributed, the inside of sealing sleeve is matched with the pin, the sealing sleeve is of rubber material.

[0009] As a further technical scheme of the utility model, the clasp ring and the second pressure-proof waterproof shell are fixedly connected, the clasp ring and the positioning groove are matched, the clasp groove is symmetrically distributed, the extension block is equal in number to the clasp groove, and the extension block and the first pressure-proof waterproof shell are fixedly connected.

[0010] As a further technical scheme of the utility model, the mobile hole extends through the middle part of the extension block and the first pressure-proof waterproof shell, the connecting pin and the mobile hole are matched, the connecting pin and the positioning block are fixedly connected, the positioning block and the positioning groove are matched.

[0011] As a further technical scheme of the utility model, the limiting groove and the mobile hole are connected, the limiting block and the connecting pin are fixedly connected, the number of the limiting block is twice the number of the connecting pin, and the two ends of the supporting spring are connected with the limiting block and the limiting groove respectively.

[0012] The utility model provides a pressure-proof waterproof film capacitor.

[0013] Beneficial effects:

[0014] The utility model discloses a pressure-proof waterproof film capacitor, which has the following advantages compared with the prior art BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall structure schematic view of the pressure-proof waterproof film capacitor.

[0016] Figure 2 It is an exploded view of the pressure-proof waterproof film capacitor.

[0017] Figure 3 It is a front view of the pressure-proof waterproof film capacitor.

[0018] Figure 4 It is a side view of the pressure-proof waterproof film capacitor. Figure 3 It is a side view of the pressure-proof waterproof film capacitor.

[0019] Figure 5 A pressure-resistant waterproof film capacitor Figure 4 Enlarged view of A.

[0020] In the figure: 1, capacitor body; 2, pin; 3, pressure-resistant waterproof structure; 31, first pressure-resistant waterproof shell; 32, second pressure-resistant waterproof shell; 33, sealing sleeve; 34, clamping ring; 35, positioning groove; 36, clamping groove; 37, extension block; 38, moving hole; 39, connecting pin; 310, positioning block; 311, limiting groove; 312, limiting block; 313, supporting spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-5 The present application provides a pressure-resistant waterproof film capacitor technical scheme: a pressure-resistant waterproof film capacitor, comprising a capacitor body 1, the bottom of the capacitor body 1 is connected with a pin 2, and the outer side of the capacitor body 1 is provided with a pressure-resistant waterproof structure 3.

[0023] Among them, the pressure-resistant waterproof structure 3 includes a first pressure-resistant waterproof shell 31 and a second pressure-resistant waterproof shell 32, the bottom of the first pressure-resistant waterproof shell 31 is provided with a sealing sleeve 33, the bottom of the second pressure-resistant waterproof shell 32 is connected with a clamping ring 34, the two sides of the clamping ring 34 are respectively provided with a positioning groove 35 and a sealing ring, the top of the first pressure-resistant waterproof shell 31 is provided with a clamping groove 36, the inside of the clamping groove 36 is provided with a sealing groove, the outer side of the first pressure-resistant waterproof shell 31 is provided with an extension block 37, the inside of the extension block 37 is provided with a moving hole 38 and a limiting groove 311, the inside of the moving hole 38 is provided with a connecting pin 39, the outer side of the connecting pin 39 is provided with a positioning block 310 and a limiting block 312, one side of the limiting block 312 is connected with a supporting spring 313.

[0024] As Figures 1-4 shown, the capacitor body 1 and the pin 2 are electrically connected, and the number of the pin 2 is two groups and is symmetrically distributed, thereby facilitating the power supply installation and use of the capacitor body 1.

[0025] As Figures 2-5As shown, the sealing sleeve 33 is fixed between the first pressure-resistant waterproof shell 31, the sealing sleeve 33 is two groups and is symmetrically distributed, the inside of the sealing sleeve 33 is matched with the pin 2, the sealing sleeve 33 is made of rubber material, the clamping ring 34 is fixedly connected between the second pressure-resistant waterproof shell 32, the clamping ring 34 is matched with the positioning groove 35, the clamping groove 36 is symmetrically distributed, the extension block 37 is equal in number to the clamping groove 36, the extension block 37 is fixedly connected between the first pressure-resistant waterproof shell 31, thereby facilitating the clamping connection between the first pressure-resistant waterproof shell 31 and the second pressure-resistant waterproof shell 32.

[0026] As shown in the figure, Figures 2-5 The moving hole 38 extends through the middle of the extension block 37 and the first pressure-resistant waterproof shell 31, the connecting pin 39 is matched with the moving hole 38, the connecting pin 39 is fixedly connected with the positioning block 310, the positioning block 310 is matched with the positioning groove 35, the limiting groove 311 is communicated with the moving hole 38, the limiting block 312 is fixedly connected with the connecting pin 39, the number of the limiting block 312 is twice the number of the connecting pin 39, and the two ends of the supporting spring 313 are connected between the limiting block 312 and the limiting groove 311, thereby facilitating the positioning of the clamping ring 34.

[0027] The working principle of the utility model is: before the capacitor main body 1 is used, the pressure-resistant waterproof structure 3 can be sleeved on the outside of the capacitor main body 1 according to the requirement, and the capacitor main body 1 is installed and used through the pin 2.

[0028] It should be noted that, by the setting of the pressure-resistant waterproof structure 3, when the capacitor main body 1 is used for waterproof pressure resistance, the capacitor main body 1 is inserted into the inside of the first pressure-resistant waterproof shell 31, so that the pin 2 moves out along the sealing sleeve 33, wherein the pin 2 and the sealing sleeve 33 play a sealing effect, then the second pressure-resistant waterproof shell 32 is sleeved on the upper end of the capacitor main body 1, so that the clamping ring 34 is inserted into the inside of the clamping groove 36, so that the bottom of the clamping ring 34 abuts against the positioning block 310, so that the positioning block 310 drives the connecting pin 39 to move along the inside of the moving hole 38, so that the limiting block 312 moves along the inside of the limiting groove 311 and the supporting spring 313 is compressed, until the positioning groove 35 corresponds to the positioning block 310, and the sealing ring corresponds to the sealing groove at the same time, under the elastic potential of the supporting spring 313, the connecting pin 39 drives the positioning block 310 to be inserted into the inside of the positioning groove 35, the clamping ring 34 is positioned in the inside of the clamping groove 36, the first pressure-resistant waterproof shell 31 and the second pressure-resistant waterproof shell 32 are further sealed and connected, so that the capacitor main body 1 is used for waterproof use in the use process, the first pressure-resistant waterproof shell 31 and the second pressure-resistant waterproof shell 32 can play a pressure-resistant effect in the process of the capacitor main body 1 being impacted by pressure, and the service life of the capacitor main body 1 is further improved.

[0029] The above are only preferred embodiments of the present utility, it should be pointed out that, for those skilled in the art, without departing from the principle of the present utility, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present utility. The structure, device and operation method not specifically described and explained in the present utility, if no special description and limitation, according to the conventional means of the art.

Claims

1. A pressure-resistant and waterproof thin film capacitor comprising a capacitor main body (1), characterized in that, The bottom of the capacitor body (1) is connected with a pin (2), and the outer side of the capacitor body (1) is provided with a voltage-resistant waterproof structure (3); The voltage-resistant waterproof structure (3) comprises a first voltage-resistant waterproof shell (31) and a second voltage-resistant waterproof shell (32), the bottom of the first voltage-resistant waterproof shell (31) is provided with a sealing sleeve (33), the bottom of the second voltage-resistant waterproof shell (32) is connected with a clamping ring (34), the two sides of the clamping ring (34) are respectively provided with a positioning groove (35) and a sealing ring, the top of the first voltage-resistant waterproof shell (31) is provided with a clamping groove (36), the inside of the clamping groove (36) is provided with a sealing groove, the outer side of the first voltage-resistant waterproof shell (31) is provided with an extension block (37), the inside of the extension block (37) is provided with a moving hole (38) and a limiting groove (311), the inside of the moving hole (38) is provided with a connecting pin (39), the outer side of the connecting pin (39) is provided with a positioning block (310) and a limiting block (312), and the side of the limiting block (312) is connected with a supporting spring (313).

2. The pressure-resistant and waterproof thin film capacitor according to claim 1, wherein The capacitor body (1) and the pin (2) are electrically connected, and the number of the pin (2) is two groups and is symmetrically distributed.

3. The pressure-resistant and waterproof thin film capacitor according to claim 1, wherein The sealing sleeve (33) and the first voltage-resistant waterproof shell (31) are fixedly connected, the number of the sealing sleeve (33) is two groups and is symmetrically distributed, the inside of the sealing sleeve (33) is matched with the pin (2), and the sealing sleeve (33) is made of rubber.

4. The pressure-resistant and waterproof thin film capacitor according to claim 1, wherein The clamping ring (34) and the second voltage-resistant waterproof shell (32) are fixedly connected, the clamping ring (34) is matched with the positioning groove (35), the clamping grooves (36) are symmetrically distributed, the number of the extension block (37) is equal to that of the clamping grooves (36), and the extension block (37) and the first voltage-resistant waterproof shell (31) are fixedly connected.

5. The pressure-resistant and waterproof thin film capacitor according to claim 1, wherein The moving hole (38) penetrates the middle parts of the extension block (37) and the first voltage-resistant waterproof shell (31), the connecting pin (39) is matched with the moving hole (38), the connecting pin (39) and the positioning block (310) are fixedly connected, and the positioning block (310) is matched with the positioning groove (35).

6. The pressure-resistant and waterproof thin film capacitor according to claim 1, wherein The limiting groove (311) is communicated with the moving hole (38), the limiting block (312) and the connecting pin (39) are fixedly connected, the number of the limiting block (312) is twice that of the connecting pin (39), and the two ends of the supporting spring (313) are connected with the limiting block (312) and the limiting groove (311) respectively.

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