CN208557706U - A kind of connection structure of electrical knife tool apron and coil - Google Patents
A kind of connection structure of electrical knife tool apron and coil Download PDFInfo
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- CN208557706U CN208557706U CN201821043511.1U CN201821043511U CN208557706U CN 208557706 U CN208557706 U CN 208557706U CN 201821043511 U CN201821043511 U CN 201821043511U CN 208557706 U CN208557706 U CN 208557706U
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- tool apron
- connection
- contact pin
- coil
- electrical knife
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Abstract
The utility model discloses the connection structures of a kind of electrical knife tool apron and coil, belong to electrical knife technical field.A kind of connection structure of the electrical knife tool apron and coil of the utility model, including transformer coil, tool apron and connection terminal, one end of connection terminal has contact pin portion, the other end has jack portion, the tail portion of tool apron has the tool apron connecting hole matched with the contact pin portion of connection terminal, press connection after contact pin portion insertion tool apron connecting hole, and press connection behind the jack portion of the connecting pin insertion connection terminal of transformer coil；Groove is additionally provided in the contact pin portion of connection terminal；The jack portion size of connection terminal is greater than contact pin portion size, forms a limited step in contact pin portion and jack portion link position.It is pressed connection between the transformer coil and tool apron of the electrical knife of the utility model by connection terminal, connection structure is simple, flexible operation, is completely embedded reliable, is not influenced by tool apron high temperature, substantially increases performance and the service life of electrical knife.
Description
Technical field
The utility model relates to a kind of electrical knifes, more specifically to the connection knot of a kind of electrical knife tool apron and coil
Structure.
Background technique
Electrical knife exactly realizes the hand-held cutter of cutting as its name suggests using electric energy fever.Mainly have currently on the market
The advantages of electrical knife of two kinds of different principles generates heat after energization one is heating wire is loaded onto inside blade, this electrical knife be
Cheap, at low cost, structure is simple；The disadvantage is that blade is thicker, preheating is slow, can only be used to cut foam class product；It is another
It is the resistance using blade, the hand-held electrical knife of fever is realized by high current, this electrical knife preheating time is very short, as long as
Several seconds blades can reach red state, and high-efficient, shape is changeable, can select different function according to different use occasions
The blade of rate, has a wide range of application, and can be used to cut foam, sponge, plastics, chemical fabric, non-woven fabrics, filter cloth, plastic ties and rubber
Glue etc. low melting point product.
There are a power frequency or high frequency main transformer, primary transformer coil connection electricity using the hot cutter of blade resistance heating
Hot knife blade provides high current for electrical knife blade to generate heat.One kind as disclosed in China Patent No. ZL201620929511.6
Hand-held electrical knife disclosed in active heat removal hand-held electrical knife, China Patent No. ZL201721674537.1 etc..Currently, market
On the tool apron of such electrical knife and the connection type of transformer coil mainly have the fixed two ways of welding (soldering) and screw,
After prolonged use, tool apron temperature is very high and is transmitted to welding position for the tool apron and transformer coil connected using welding manner
It sets, is easy to lead to welding position tin, to influence the normal use of electrical knife；The fixed mode of screw is to utilize needle-like terminal
Fixed with screw, and under the effect of expanding with heat and contract with cold in long-time use process, screw easily loosens, thus also will affect tool apron and
The stability of coil connection.
The problem of influencing tool apron and transformer coil connective stability based on above-mentioned electrical knife tool apron heating temperature height, urgently
Existing electrical knife need to be improved to improve the job stability of electrical knife.
Summary of the invention
1. utility model technical problems to be solved
The purpose of the utility model is to overcome existing electrical knife, there are tool aprons and transformer coil connective stability difference
Deficiency provides the connection structure of a kind of electrical knife tool apron and coil, using the technical solution of the utility model, the transformation of electrical knife
It is pressed connection between device coil and tool apron by connection terminal, is completely embedded reliable, do not influenced, substantially increased by tool apron high temperature
The performance of electrical knife and service life.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
The connection structure of a kind of the electrical knife tool apron and coil of the utility model, including transformer coil, tool apron and connection
Terminal, one end of the connection terminal have contact pin portion, and the other end has jack portion, and the tail portion of the tool apron has and connects
The tool apron connecting hole that the contact pin portion of connecting terminal matches, press after the described contact pin portion insertion tool apron connecting hole connection, described
Press connection behind the jack portion of the connecting pin insertion connection terminal of transformer coil.
Further, groove is additionally provided in the contact pin portion of the connection terminal.
Further, the jack portion size of the connection terminal is greater than contact pin portion size, in contact pin portion and jack portion
Link position forms a limited step.
Further, the connection terminal is formed by red copper integral production.
A kind of hand-held electrical knife of the connection structure with above-mentioned electrical knife tool apron and coil of the utility model.
3. beneficial effect
It is had the following beneficial effects: compared with existing well-known technique using technical solution provided by the utility model
(1) connection structure of a kind of the electrical knife tool apron and coil of the utility model, transformer coil and tool apron pass through
Connection terminal connection, one end of connection terminal have contact pin portion, and the other end has jack portion, and the tail portion of tool apron has and connecting pin
The tool apron connecting hole that matches of contact pin portion of son, press after contact pin portion insertion tool apron connecting hole connection, the connection of transformer coil
Press connection behind the jack portion of end insertion connection terminal；Connection structure is simple, flexible operation, is completely embedded reliably, not by tool apron
High temperature influences, and substantially increases performance and the service life of electrical knife；
(2) connection structure of a kind of the electrical knife tool apron and coil of the utility model, in the contact pin portion of connection terminal also
Equipped with groove, it is more convenient for the riveted between tool apron and contact pin portion using groove, is caught in contact pin portion after squeezing tool apron material
Groove in, connect stronger reliable；
(3) connection structure of a kind of the electrical knife tool apron and coil of the utility model, the jack portion size of connection terminal
Greater than contact pin portion size, a limited step is formed in contact pin portion and jack portion link position, using limited step, is inserted convenient for determining
Realize that more firmly riveted connects consequently facilitating accurate determine the position that presses in insertion position of the needle portion in the connecting hole of tool apron
It connects；
(4) connection structure of a kind of the electrical knife tool apron and coil of the utility model, connection terminal is by one system of red copper
It forms, conducts electricity very well, and molding easy to process, be easy to press connection.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hand-held electrical knife of the utility model；
Fig. 2 is the perspective view of the explosion of a kind of electrical knife tool apron of the utility model and the connection structure of coil；
Fig. 3 is the riveted status diagram of a kind of electrical knife tool apron of the utility model and the connection structure of coil.
Label declaration in schematic diagram:
1, electrical knife main body；2, transformer coil；3, connection terminal；3-1, contact pin portion；3-2, jack portion；4, tool apron； 4-
1, tool apron connecting hole.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
In conjunction with shown in Fig. 1, Fig. 2 and Fig. 3, the connection structure of a kind of the electrical knife tool apron and coil of the present embodiment, including become
Transformer coil 2, tool apron 4 and connection terminal 3, transformer coil 2 are the secondary coil being wound on transformer core, and tool apron 4 is used
In connection cutting blade, it is connected between transformer coil 2 and tool apron 4 by connection terminal 3.One end of connection terminal 3 has
Contact pin portion 3-1, the other end have jack portion 3-2, and the tail portion of tool apron 4 has the knife matched with the contact pin portion 3-1 of connection terminal 3
Press connection after seat connecting hole 4-1, contact pin portion 3-1 insertion tool apron connecting hole 4-1, and connection is inserted into the connecting pin of transformer coil 2
Press connection after the jack portion 3-2 of terminal 3.Using above-mentioned connection structure, being connected without soldering or screw, connection structure is simple,
Flexible operation is completely embedded reliably, is not influenced by tool apron high temperature, substantially increase performance and the service life of electrical knife.
In order to improve electrical connection stability, in the present embodiment, groove is additionally provided with (such as on the contact pin portion 3-1 of connection terminal 3
Shown in Fig. 2), it is more convenient for the riveted between tool apron 4 and contact pin portion 3-1 using groove, is caught in after squeezing tool apron material slotting
In the groove of needle portion 3-1, connect stronger reliable.In addition, for the ease of riveting, the jack portion 3-2 size of connection terminal 3
It is preferably designed for being greater than contact pin portion 3-1 size, forms a limited step in contact pin portion 3-1 and jack portion 3-2 link position, utilize
Limited step, convenient for determining insertion position of the contact pin portion 3-1 in the connecting hole of tool apron 4, consequently facilitating accurate determine the position that presses
It sets, realizes that more firmly riveted connects.In the present embodiment, above-mentioned connection terminal 3 is preferably formed by red copper integral production,
It is conductive good, easy to process to form, be easy to the advantages that the connecting that press.
It, first will connection when connection as shown in figure 3, the connection structure of a kind of the electrical knife tool apron and coil of the present embodiment
In the tool apron connecting hole 4-1 of the contact pin portion 3-1 insertion tool apron 4 of terminal 3, then riveting point shown in Fig. 3 is cold-pressed, will
The two is connected in one；The connecting pin of transformer coil 2 is inserted into later in the jack portion 3-2 of connection terminal 3, it is shown in Fig. 3
Riveting point crimped, realize that the stabilization between transformer coil 2 and tool apron 4 is electrically connected.
Shown in Figure 1, the present embodiment also discloses a kind of connection structure with above-mentioned electrical knife tool apron and coil
Hand-held electrical knife.The hand-held electrical knife includes electrical knife main body 1, and transformer coil 2 is set to inside electrical knife main body 1,
The tail portion of tool apron 4 is also set to inside electrical knife main body 1, and tool apron 4 has firmly been connect with transformer coil 2 by connection terminal 3
Come, has many advantages, such as to be connected firmly, is electrically connected and contacts good, service performance and the service life of electrical knife greatly improved.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, without creatively designing
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of connection structure of electrical knife tool apron and coil, including transformer coil (2) and tool apron (4), it is characterised in that: also
Including connection terminal (3), one end of the connection terminal (3) has contact pin portion (3-1), and the other end has jack portion (3-2),
The tail portion of the tool apron (4) has the tool apron connecting hole (4-1) matched with the contact pin portion (3-1) of connection terminal (3), described
Contact pin portion (3-1) insertion tool apron connecting hole (4-1) after press connection, the connecting pin insertion company of the transformer coil (2)
Press connection behind the jack portion (3-2) of connecting terminal (3).
2. the connection structure of a kind of electrical knife tool apron and coil according to claim 1, it is characterised in that: the connection
Groove is additionally provided in the contact pin portion (3-1) of terminal (3).
3. the connection structure of a kind of electrical knife tool apron and coil according to claim 2, it is characterised in that: the connection
Jack portion (3-2) size of terminal (3) is greater than contact pin portion (3-1) size, in contact pin portion (3-1) and jack portion (3-2) connection position
It sets to form a limited step.
4. the connection structure of a kind of electrical knife tool apron and coil according to claim 1 or 2 or 3, it is characterised in that: described
Connection terminal (3) formed by red copper integral production.
5. a kind of hand-held electricity with the connection structure of electrical knife tool apron and coil described in Claims 1-4 any one
Hot knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821043511.1U CN208557706U (en) | 2018-07-03 | 2018-07-03 | A kind of connection structure of electrical knife tool apron and coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821043511.1U CN208557706U (en) | 2018-07-03 | 2018-07-03 | A kind of connection structure of electrical knife tool apron and coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208557706U true CN208557706U (en) | 2019-03-01 |
Family
ID=65490024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821043511.1U Active CN208557706U (en) | 2018-07-03 | 2018-07-03 | A kind of connection structure of electrical knife tool apron and coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208557706U (en) |
-
2018
- 2018-07-03 CN CN201821043511.1U patent/CN208557706U/en active Active
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