阅读说明：本技术 一种安装方便的电容式接近开关 (Simple to operate's capacitanc proximity switch ) 是由 李建飞 于 2019-11-04 设计创作，主要内容包括：本发明公开了一种安装方便的电容式接近开关,包括开关外壳,所述开关外壳的一端固定安装有接线头,且开关外壳的另一端固定安装有感应头,所述接线头的外表面连接有连接线,所述开关外壳的外表面靠近中间位置连接有便携式固定装置,所述感应头的外侧连接有缓冲保护装置,所述接线头的外表面靠近连接线的外侧位置连接有束线装置,所述便携式固定装置上设置有伸缩机构。本发明所述的一种安装方便的电容式接近开关,能够方便对接近开关进行安装和固定,同时能够方便调节接近开关的安装高度,能够对接近开关的感应头起到缓冲保护的作用,同时感应头在受到碰撞时不会直接接触,能够对接近开关的连接线起到束紧的作用。(The invention discloses a capacitance type proximity switch convenient to install, which comprises a switch shell, wherein one end of the switch shell is fixedly provided with a connector lug, the other end of the switch shell is fixedly provided with an induction head, the outer surface of the connector lug is connected with a connecting wire, the outer surface of the switch shell, close to the middle position, is connected with a portable fixing device, the outer side of the induction head is connected with a buffering protection device, the outer surface of the connector lug, close to the outer side position of the connecting wire, is connected with a wire bunching device, and the portable fixing device is provided with a telescopic mechanism. The capacitance type proximity switch convenient to mount can be conveniently mounted and fixed, meanwhile, the mounting height of the proximity switch can be conveniently adjusted, the sensing head of the proximity switch can be buffered and protected, meanwhile, the sensing head cannot be directly contacted when being collided, and the connecting wire of the proximity switch can be tightened.)

1. The utility model provides a simple to operate's capacitanc proximity switch which characterized in that: including switch housing (1), the one end fixed mounting of switch housing (1) has connector lug (2), and the other end fixed mounting of switch housing (1) has inductive head (3), the surface of connector lug (2) is connected with connecting wire (4), the surface of switch housing (1) is close to the intermediate position and is connected with portable fixing device (5), the outside of inductive head (3) is connected with buffering protection device (6), the outside position that the surface of connector lug (2) is close to connecting wire (4) is connected with bunching device (7), be provided with telescopic machanism (8) on portable fixing device (5).

2. A capacitance proximity switch as recited in claim 1, wherein: portable fixing device (5) comprises fixed cover (501), fixed notch (502), telescopic machanism (8), mounting panel (503) and installation round pin (504), the surface at switch housing (1) is established to fixed cover (501) cover, the inside of fixed cover (501) is seted up in fixed notch (502), mounting panel (503) are located the below position of fixed cover (501), and are equipped with telescopic machanism (8) between mounting panel (503) and fixed cover (501), installation round pin (504) run through in the inside of mounting panel (503).

3. A capacitance proximity switch as recited in claim 2, wherein: telescopic machanism (8) comprise connecting rod (801), telescopic link (802), spacer pin (803) and spacing hole (804), connecting rod (801) fixed mounting is at the both sides surface of fixed cover (501), the top of telescopic link (802) extends to the inside of connecting rod (801), and the bottom mounting in the upper surface of mounting panel (503) of telescopic link (802), the end of spacer pin (803) extends to the inside of connecting rod (801), the even distribution in the surface of telescopic link (802) in spacing hole (804), telescopic link (802) insert spacing hole (804) and connecting rod (801) fixed connection through spacer pin (803).

4. A capacitance proximity switch as recited in claim 1, wherein: the buffer protection device (6) is composed of a connection seat (601), a fixed column (602), a buffer column (603), a buffer block (604), a limiting block (605) and a buffer spring (606), wherein the connection seat (601) is fixedly arranged on the outer surface of the switch shell (1) close to the end, the fixed column (602) is fixedly arranged on the outer surface of the connection seat (601), one end of the buffer column (603) extends to the inside of the fixed column (602), the limiting block (605) is fixed at one end of the buffer column (603), the limiting block (605) is embedded in the fixed column (602), the buffer block (604) is fixed at the other end of the buffer column (603), one end of the buffer spring (606) is fixed on the outer surface of the limiting block (605), the other end of the buffer spring (606) is fixed on the inner wall of the fixed column (602), and the buffer block (604) is fixed on the inner wall of the fixed column (602) through the buffer column, The limiting block (605) and the buffer spring (606) are movably connected with the fixed column (602).

5. A capacitance proximity switch as recited in claim 1, wherein: the wire bunching device (7) is composed of a fixed seat (701), a supporting plate (702), a connecting seat (703), a threaded rod (704), an adjusting knob (705), a tightening block (706), an adapter (707) and a guide rod (708), wherein the fixed seat (701) is fixedly installed on the outer surface of a connector lug (2), the supporting plate (702) is fixedly installed on the outer surface of the fixed seat (701), the connecting seat (703) is fixedly installed on the upper surface of the supporting plate (702), the threaded rod (704) penetrates through the side wall of the connecting seat (703), the adjusting knob (705) is fixed at one end of the threaded rod (704), the tightening block (706) is located at the other end of the threaded rod (704), the adapter (707) is fixedly installed on the outer surface of the tightening block (706), the adapter (707) is sleeved at the end position of the threaded rod (704), one end of the guide rod (708) is fixed on the outer surface of the tightening block (706), and the other end of the guide rod (708) extends to the inside of the connecting seat (703), and the tightening block (706) is movably connected with the connecting seat (703) through an adapter (707) and a threaded rod (704).

Technical Field

The invention relates to the field of proximity switches, in particular to a capacitance type proximity switch convenient to install.

Background

The proximity switch is also called contactless proximity switch, and is an ideal electronic switching value sensor. When the metal detection body approaches to the induction area of the switch, the switch can send out an electric command rapidly without contact, pressure and spark, and accurately reflect the position and the stroke of the motion mechanism. It is widely used in machine tool, metallurgy, chemical industry, light textile and printing industries. The automatic control system can be used as the links of limiting, counting, positioning control, automatic protection and the like.

In view of the above, chinese application No. 201620018062.X proposes a proximity switch, which is clamped by an elastic clamping groove to fix the proximity switch; the Chinese application number 201720856930.6 provides a safe anti-theft proximity switch, which can give out alarm sound in time by arranging a loudspeaker, a locator and a connecting rod; chinese application No. 201821253230.9 proposes an anti-collision proximity switch, which is provided with an elastic guide rod in a sliding groove of a sleeve, and a sliding sleeve sleeved on the guide rod to ensure the safety of the sensor head when the sensor head is collided. But proximity switch comes the centre gripping through the elasticity clamp groove, and stability is not enough, appears droing easily, can not adjust proximity switch's mounting height simultaneously, and the inductive head still can contact with collision object when setting up elastic guide arm and sliding sleeve and cushioning the protection to the inductive head, still can certain damage appear, and proximity switch's connecting wire does not tighten the device when placing and retrains, appears the winding displacement in disorder easily.

Disclosure of Invention

The invention mainly aims to provide a capacitance type proximity switch convenient to mount, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a simple to operate's capacitanc proximity switch, includes switch shell, switch shell's one end fixed mounting has the connector lug, and switch shell's other end fixed mounting has the inductive head, the surface of connector lug is connected with the connecting wire, switch shell's surface is close to the intermediate position and is connected with portable fixing device, the outside of inductive head is connected with buffering protection device, the outside position that the surface of connector lug is close to the connecting wire is connected with bunch device, be provided with telescopic machanism on the portable fixing device.

Preferably, portable fixing device comprises fixed cover, fixed notch, telescopic machanism, mounting panel and installation round pin, fixed cover is established at switch housing's surface, fixed notch is seted up in the inside of fixed cover, the mounting panel is located the below position of fixed cover, and is equipped with telescopic machanism between mounting panel and the fixed cover, the installation round pin runs through in the inside of mounting panel.

Preferably, telescopic machanism comprises connecting rod, telescopic link, spacer pin and spacing hole, connecting rod fixed mounting is at the both sides surface of fixed cover, the top of telescopic link extends to the inside of connecting rod, and the bottom mounting of telescopic link is in the upper surface of mounting panel, the end of spacer pin extends to the inside of connecting rod, the even distribution in spacing hole is at the surface of telescopic link, the telescopic link inserts spacing hole and connecting rod fixed connection through the spacer pin.

Preferably, the buffering protection device comprises linking seat, fixed column, buffering post, buffer block, stopper and buffer spring, linking seat fixed mounting is in the position that switch housing's surface is close to the end, fixed column fixed mounting is in the surface that links up the seat, the one end of buffering post extends to the inside of fixed column, the stopper is fixed in the one end of buffering post, and the stopper inlays the inside of locating the fixed column, the buffer block is fixed in the other end of buffering post, buffer spring's one end is fixed in the surface of stopper, and buffer spring's the other end is fixed in the inner wall of fixed column, the buffer block passes through buffering post, stopper and buffer spring and fixed column swing joint.

Preferably, the bunching device comprises fixing base, backup pad, connecting seat, threaded rod, adjust knob, binding block, adapter and guide bar, fixing base fixed mounting is at the surface of connector lug, backup pad fixed mounting is at the surface of fixing base, connecting seat fixed mounting is at the upper surface of backup pad, the threaded rod runs through in the lateral wall of connecting seat, adjust knob is fixed in the one end of threaded rod, binding block is located the other end of threaded rod, adapter fixed mounting is at the surface of binding block, and the end position at the threaded rod is established to the binding block cover, the one end of guide bar is fixed in the surface of binding block, and the other end of guide bar extends to the inside of connecting seat, binding block passes through adapter and threaded rod and connecting seat swing joint.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the portable fixing device and the lifting mechanism are arranged, so that the proximity switch can be conveniently installed and fixed, the stability of the proximity switch after installation can be improved, the installation height of the proximity switch can be conveniently adjusted, the buffer protection device can play a buffer protection role on the induction head of the proximity switch, the induction head can not be in direct contact when being collided, and the binding device can play a binding role on the connecting wire of the proximity switch, so that the disorder of the connecting wire of the proximity switch can be prevented.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a capacitive proximity switch of the present invention that is easy to install;

FIG. 2 is a side view of a portable fixture for a capacitive proximity switch of the present invention in a convenient installation;

FIG. 3 is a schematic structural view of a telescoping mechanism of a capacitive proximity switch of the present invention for ease of installation;

FIG. 4 is a schematic diagram of a buffer protection device of a capacitive proximity switch according to the present invention;

fig. 5 is a schematic structural view of a wire harness device of a capacitive proximity switch according to the present invention.

In the figure: 1. a switch housing; 2. a connector lug; 3. an inductive head; 4. a connecting wire; 5. a portable fixture; 501. fixing a sleeve; 502. a fixed notch; 503. mounting a plate; 504. mounting a pin; 6. a buffer protection device; 601. a linking seat; 602. fixing a column; 603. a buffer column; 604. a buffer block; 605. a limiting block; 606. a buffer spring; 7. a wire harness device; 701. a fixed seat; 702. a support plate; 703. a connecting seat; 704. a threaded rod; 705. adjusting a knob; 706. a binding block; 707. an adaptor head; 708. a guide bar; 8. a telescoping mechanism; 801. a connecting rod; 802. a telescopic rod; 803. a spacing pin; 804. and a limiting hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.